Term
|
Definition
| The process of joining elements together. we often move one artiulator to make contact with another. ARticulation is automatic. |
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Term
|
Definition
| The system of mobile and immbile articulators brought into contact for the purpose of shaping the sounds of speech. |
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Term
|
Definition
| the theory states that a voicing source is generated by the vocal folds and routed through the vocal tract where it is shaped into sounds of speech.Changes in the shape and configuration of the articulators govern the resonant characteristics of the vocal tract adn the resonance of the vocal tract determine the sound of a given vowel. |
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Term
|
Definition
| The vocal tract consists of the mouth(oral cavity), the region behind the muth(pharynx), and the nasal cavity, and may be thought of as a series of linked tubes. |
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Term
|
Definition
| The frequency of sound to which the cavity most effectively responds. it is governed by volume and length.And resonant frequencies govern our perception of vowels. |
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Term
|
Definition
| tounge(largest), jaw(madible,second largest), soft palate, lips , cheeks, pharynx, larynx, hyoid bone. |
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Term
|
Definition
| Alveolar ridge, hard palate, and the teeth. |
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Term
| Articulators(major players in speech production) |
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Definition
| The tongue, madible, teeth,hard palate, and velum. |
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Term
|
Definition
| mandible , maxillae, nasal bone, palatine bone and nasal conchae, vomer, zygomatic bone, lacrimal bone, and hyoid bone |
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Term
|
Definition
| Unpaired bone making up the lower jaw. |
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Term
| Mental symphsis(symphsis mente of the mandible) |
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Definition
| The point of fusion of the two halves of the mandible. The madible starts out as a paired bone but fuses at the midline by a childs first birthday. |
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Term
| Mental Protuberence(of the mandible) |
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Definition
|
|
Term
| mental tubercles(mandible) |
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Definition
|
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Term
|
Definition
| lateral to the tubercles on either side. A hole through which the mental nerve of the V trigeminal passes in life. |
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Term
|
Definition
| the rhombodial plate rising up from the mandible. |
|
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Term
| condylar and cornoid processes(mandible) |
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Definition
| Important landmarks seperated by the madibular notch.The head of the condylar process articulates with the skull, permitting rotation of the madible. |
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Term
|
Definition
|
|
Term
| Pterygoid fovea(mandible) |
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Definition
| On teh anterior surface of the condylar process marks the point of attachment of the lateral pterygoid muscle. |
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Term
| Dental alveoli(sacs) and Alveolar arch(mandible) |
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Definition
| In a healthy mandibel teeth are found withing the dental alveoli sacs and on the upper surface of the alveolar arch |
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Term
| superior and inferior mental spines(mandible) |
|
Definition
| On the inner surface of the mandible. |
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Term
|
Definition
| laterally placed(muscles attached here) |
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Term
|
Definition
| the conduit fot the inferior alveolar nerve of V tergeminal. providing sensory innervation for the teeth and gums. |
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Term
|
Definition
| Paired bone making up the upper jaw. MAke up most of the roof of the mouth(hard palate), nose, and upper dental ridge. |
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Term
| Frontal process(maxillae) |
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Definition
| At the superior most point of the maxillae. |
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Term
| Infraorbital margin(maxillae) |
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Definition
|
|
Term
| Infraorbital foramen(maxillae) |
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Definition
| below eye(?) It is the condut for the infraorbital nerve arising from the maxillary nerve, providing sensory innervation of the lower eyelid, upper lip and nasal alae. |
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Term
| Zygomatic process(maxillae( |
|
Definition
| articulates with the zygomatic bone. |
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|
Term
| Anterior nasal spine and nasal crest(maxillae) |
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Definition
|
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Term
|
Definition
| Lateral to nasal cresr and spine. |
|
|
Term
| ALvelor process(maxillae) |
|
Definition
| The lower tooth bearing ridge. Contains alveoli that hold teeth in the intact adult maxilla. |
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Term
| canine eminence and incisive fossa(maxilla) |
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Definition
| The region between the two becomes important in discussing the cleft lip. |
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|
Term
| maxillary sinus and the palatine process(maxilla)) |
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Definition
|
|
Term
| Intermaxillary suture(or median palatine suture) |
|
Definition
| the two palatine processes aticulate at the intermaxillary suture. Marks the point of a cleft of the hard palate. The palatine makes up thre-fouths of teh hard palate, with the other fourth being th ehorizantle plate of the palatine bone. |
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Term
| Premaxillary suture(maxilla) |
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Definition
| neatly seperates the lateral incisorsfrom the cuspids |
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Term
|
Definition
|
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Term
|
Definition
| Small bones making up the superior nasal surface. They articulate with the frontal bones superiorly, the maxillae bones laterally, and the perpendicular plate of the ethmoid bone and septal cartilage. |
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Term
|
Definition
| Posterior one fouth of the hard palate is made up of the horizontle plate of the palatine bone. |
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Term
| Posterior nasal spine and nasal crest(palatine bone) |
|
Definition
| Provide midline correlates to the anterior nasal soine and crest of teh maxillar. |
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Term
| horizontle plate(palatine bone) |
|
Definition
| parallels the palatine process of teh maxilla. |
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Term
| perpendicular plate(palatine bone) |
|
Definition
| makes up the posterior wall of the nasal cavity. |
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|
Term
| Orbital process(palatine bone) |
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Definition
| makes upa small portion of the orbit cavity. |
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Term
| Inferior nasal conchae(inferior turbinates) |
|
Definition
| are small, scroll like bones located at the lateral surface of teh nasal cavity. Articulate with the mailla, palatine and ethmoid bones. |
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Term
| Middle and superior nasal conchae |
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Definition
| processes of the ethmoid bone are superiorly placed correlates of teh inferior conchae. |
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Term
|
Definition
| Mucosal lining covers it and is the thickest of the nose . Richly endowed with a vscular supply. The shape of the conchae greatly increases the surface area avaiable , promoting rapid heat exchange. |
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Term
|
Definition
| unpaired, midline bone making up the inferior and superior nasal septum. Has the appearence of a knife blade, with its poin aimed towards the front.Articulates with the sphenoid rostrum and perpendicular plate of the ethmoid boneand with the mailla and palatine bones. |
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Term
|
Definition
| The diving plate between two nasal cavities |
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|
Term
|
Definition
|
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Term
|
Definition
| makes up the prominent struture we identify as cheekbones. Articulates with the maxilla,frontal bone, and temporal bone. Makes up the lateral orbit. |
|
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Term
| maillary process(zygomatic bone) |
|
Definition
| At the base of teh orbital margin, the place of articulation for the zygomatic bone with the maxilla bone |
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Term
| Temporal process(zygomatic bone) |
|
Definition
| Projects backwards, formine half the zygomatic arch. |
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Term
|
Definition
| Consists of the temporal process of the zygomatic bone and the zygomatic process of the of the temporal bone |
|
|
Term
| Frontal process(zygomatic bone) |
|
Definition
| forms the articulation with the frontal and sphenoid bones. |
|
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Term
|
Definition
| almost ompletely hidden in the intact skull. Tehy articulate with the maxilla, frontal bone, nasal bones, and inferior conchae. They constitute a small portion of the nasal wall and form a small portion of teh medial orbit wall. |
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Term
|
Definition
| u shaped bone that also plays a role in phonation |
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Term
| Bones of the cranial skeleton |
|
Definition
| Include those involved in teh creation of the cranial cavity. The ethmoid ,sphenoid,fronta, parietal,occipital, and temporal bones. |
|
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Term
|
Definition
| complex, delicate structure with presence in the cranial, nasal and orbital spaces. It is the core. |
|
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Term
|
Definition
| DOminates the superior surface and protrudes into the cranial space. |
|
|
Term
| Cribriform Plates(ethmoid) |
|
Definition
| on both sides of the perpendicular plate. Seperate the nasal and cranial cavities adn provides the conduit for the olfactory nerves. |
|
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Term
|
Definition
| articulate with teh frontal, and maxilla bone to form the medial orbit. |
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Term
|
Definition
| Significant contributor to teh cranial structure. Consists of the corpus adn three pairs of processes, the greatter wings, lesser wings and pterygoid processes. COntains numerous foramina throught which nerves and blood vessels pass. |
|
|
Term
| Hypophyseal fossa(sphenoid bone) |
|
Definition
| DOminates the corpus.The indentation holding the pituitary gland |
|
|
Term
| Tuberculum fossa(sphenoid) |
|
Definition
| anterior portion of the hypophyseal fossa |
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|
Term
|
Definition
| Posterior aspect of teh hypopyseal fossa |
|
|
Term
| anterior clinoid processes(sphenoid) |
|
Definition
| projects from the lesser wings , lateral to the tubercullum sallae. |
|
|
Term
|
Definition
| likened to wings of a bat. Arrise from teh corpus and clinoid process and partially cover the optic canal. |
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Term
|
Definition
| likened to the wings of a bat. arise from the posterior corpus, making up a portion of the orbit. COmprise a portion of the anterolateral skull and articulates with the frontal and temporal bones. |
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|
Term
| LAteral and medial pterygoid plates (sphenoid) |
|
Definition
| Projecting dowards from the grater wing and corpus. The fossa between these will be the point of attachment for on of the muscles for mastication. |
|
|
Term
|
Definition
| opening of the superior sphenoid carries the II optic nerve. |
|
|
Term
|
Definition
| opening in sphenoid. provides conduit for the V tirgeminal nerve. |
|
|
Term
| Foramen rotundum(sphenoid) |
|
Definition
| v trigeminal nerve passes |
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|
Term
| Superior orbital fissure(sphenoid) |
|
Definition
| conveys the III oculomootr, IV trochlear, V tirgeminal, and VI abducens nerves. |
|
|
Term
|
Definition
| includes the anterioly placed jugum(yoke) and the chiasmatic groove which accomodates the optic ciasm. |
|
|
Term
|
Definition
| Unpaired bone makes up the bony forehead , anterior cranial case and the supraorbital region.NEar the middle, teh coronal suture marks point of articulation of the frontal and parietal bones. |
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|
Term
| Zygomatic process(fontal bone) |
|
Definition
| Point of articulation with zygomatic bones |
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|
Term
| Nasal portion(frontal bone) |
|
Definition
| ARticulation with nasal bones |
|
|
Term
| Orbital protion(frontal bone) |
|
Definition
| provides superior surface of the eye socket. |
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Term
|
Definition
| Paired bones that overlie the parietal lobes and form the middle portion of the braincase. united at the midline by the saggital suture, running from the frontal bone to occipital bone seperated by th lambdodial suture. |
|
|
Term
| wormian bones(parietal bones) |
|
Definition
| may be formed by the bifurcations of the lanbdodial suture |
|
|
Term
| squamosal suture(parietal) |
|
Definition
| forming union between parietal and temporal bones. |
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Term
|
Definition
| unpaired. Overlies the occipital lobeof the brain and makes up teh posterior braincase. It articulates with the temporal, parietal, and sphenoid bones. |
|
|
Term
| Eternal occipital protuberance(occipital bone) |
|
Definition
| is a midline prominence visible from behind. |
|
|
Term
| Cerebral and cerebellar fosssa (occipital bone) |
|
Definition
| superior surface. Mark the locations of the occipital lobe and cerebellum in the braincase. |
|
|
Term
| Foramen magnum(occipital bone) |
|
Definition
| provides the opening for the spinal cord and beginging og the medulla oblongata. |
|
|
Term
|
Definition
| mark teh resting point for teh first cervicle vertebra. |
|
|
Term
|
Definition
| articulates with the corpus of the sphenoid. |
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Term
|
Definition
| Important for speech. seperated from the parietal bone by the squamosal suture and from teh occipital bone by the occipitomastoid suture. dense. Divided into four segments: squamous,tympanic,mastoid, and peatrous portions. |
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|
Term
| Squamous portion(temporal bone) |
|
Definition
| Fan-shaped and thin. Lower region contains the roof of the auditory meatus.Zygomatic process arises from her articulating with the temporal process of the zygomatic bone to form the zygomatic arch. |
|
|
Term
| Tympanic portion(temporal bone) |
|
Definition
| include the anterior and inferior walls of teh auditory meatus. Styloid process protrudes beneath teh auditory meatus adn the medial mastoid process. |
|
|
Term
| Peatrous potion(temporal bone) |
|
Definition
| includes the cochlea and teh semicircular canals. |
|
|
Term
| Mastoid portion(temporal bone) |
|
Definition
| Makes up the posterior part of the temporal bone. Air cells in teh mastoid portion communivcation with the tympanic atrum(drum cavity). Above the antrum is teh tegmen tympani(drum covering) a thin plate of bone, an dmedial to it is the lateral semicircular canal. Behind your ear. |
|
|
Term
|
Definition
| is the region including a portion of the temporal ,parietal and occipital bones. |
|
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Term
|
Definition
| medial surface of the temporal bone through which the VII cranial nerve will passon its way to the brain stem. |
|
|
Term
|
Definition
| Teeth ,housed in the maxilae and mandible, provide the mechanism for mastication, teh articulatory surfaces for several speech sounds. |
|
|
Term
| Upper and lower dental arches |
|
Definition
| contain equal number of teeth of four types: incisors, cuspids,bicuspids and molars.Left and right sides have equal distribution of teeth. Teeth in teh upper arch are larger then thsoe in teh lower arch. |
|
|
Term
|
Definition
| each tooth has a root underneath the gumline. Teh crown int teh visablie one-thir of teh tooth and the juncute of root and crown is termed the neck. |
|
|
Term
|
Definition
| Teh surface of teh crown is composed of dental enamel, and extrememly hard surface that overlies the dentin(ivory) of the tooth. |
|
|
Term
|
Definition
| A the center of the tooth, in which the nerve supplying the tooth resides. |
|
|
Term
|
Definition
| What holds the tooth in its socket and is a thin layer of bone. |
|
|
Term
|
Definition
| the surface looking along the arch towards the midpoint between the central incisors. |
|
|
Term
|
Definition
| the surface of any tooth that is farthest away from the midline point. |
|
|
Term
|
Definition
| Surface of the tooth that could come in contact with the buccal or cheek |
|
|
Term
|
Definition
| surface facing the tounge |
|
|
Term
|
Definition
| the surface between the teeth of the upper adn lower arches |
|
|
Term
|
Definition
| wearing away of dental enamel |
|
|
Term
|
Definition
| Clearly designed for cutting. |
|
|
Term
|
Definition
| of the upper dental arch present a large, spade like surface with a thin cutting surface. |
|
|
Term
|
Definition
| smaller but similar surface to teh central incisors. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| has a single cuspor point that is used for tearing. |
|
|
Term
| first adn second bicuspids(or premolar) |
|
Definition
| lateral to the cuspid. Have two cusps on the occlusal surface and are abssent in the decidous dental arch. |
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|
Term
|
Definition
| LArge teeth with great occlusal surfaces designed to grind material and their palcement in the posterior arch capitalizes on the significant force availble in the muscles of mastication. three molars in each half of the dental arch |
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|
Term
| first molar, second adn third molar |
|
Definition
| first is most medial and largest witht he other two decending size. First molar has four cusps and the second and third have three or four. Third molar is sometimes know as the wisdom tooth. third molar a safeguard against loosing teeth. |
|
|
Term
|
Definition
| shedding teeth or milk teeth. The ones we lose. They begin to develop early in prnatal development.erupt between 6-9 months. The teeth are smaller and fewer |
|
|
Term
|
Definition
| teeth are small and fewer first. Central incisors emerge first, then lateral incisocrs, first molars and cuspids, lasty second molars. a deciduous arch has 10 teeth |
|
|
Term
|
Definition
| teh deciduous tooth is held in its socket by this. Serves as a oressure sensor |
|
|
Term
|
Definition
| the permenent teeth and in addtion to these the third molar and bicuspids with erupt ans are refered to as superadded |
|
|
Term
|
Definition
| the process of bringing the upper and lower teeth into contact, adn this is necessary for mastication |
|
|
Term
| class I occlusal relationship(neutroclusion) |
|
Definition
| the first tooth of the mandibulkar arch is one-hald a tooth advanced of the maxillary molar. incisors project beyound lower ones (overject) Overbite |
|
|
Term
|
Definition
| The first mandibular molars are retracted at least one tooth from the first maxillary molars. Sometimes a product of relative micrognathia(small mandible) |
|
|
Term
|
Definition
| Is defined if the first msndibular molar is advanced farther than one tooth beyound the first maxillary molar. class II is retracted adn this one is protruding |
|
|
Term
|
Definition
| When a tooth is rotated or twisted on its ais. |
|
|
Term
|
Definition
| when a tooth tilts towards the lips |
|
|
Term
|
Definition
| tilting towards teh tongue |
|
|
Term
|
Definition
| molars tilt towards teh cheeks |
|
|
Term
|
Definition
| tooth that tils away from the midline along the arch |
|
|
Term
|
Definition
| tilting towards the midline between two central incisors |
|
|
Term
|
Definition
| when a tooth does not erupt sufficiently to make occlusal contact |
|
|
Term
|
Definition
| when a tooth erupts too far. |
|
|
Term
|
Definition
| teeth in the posterior arch prohibit anterior contact |
|
|
Term
|
Definition
| If supraversion prohibits the posterior teeth from occlusion |
|
|
Term
|
Definition
| Depends on the cavities to shape the acoustic output |
|
|
Term
|
Definition
| the most significatn cavity of the speech mechanism, it undergoes the most change during a speech act. Its shape can be altered by movement of the tongue and mandible. It extends from the oral opening and back. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| prominent latterally running ridges on the hard palate |
|
|
Term
|
Definition
| divided the hard palate in two equal halves |
|
|
Term
|
Definition
| soft portion. movable muscle mass seperating the oral and nasal cavities. it is attached to the front to the palatine bone. |
|
|
Term
|
Definition
| markes the end of the velum |
|
|
Term
| anterior and posterior faucial pillars |
|
Definition
| The are on either side of the soft palate. Continuous with is , prominent bands of tissue, They mark the posterior margin on the oral cavity |
|
|
Term
|
Definition
| Between the anterior and posterior pillars. Masses of lympnoid tisse, situate between the pillars on either side |
|
|
Term
|
Definition
| medial to the palatine tonisls. form the final portion of the ring of lymphatic tissue in the oral and pharyngeal cavities. |
|
|
Term
|
Definition
| lateral to the oral cavity. Composed of the space between the posterior teeth and the cheeks of the face. bounded by the cheeks laterall, the lips in front, and the teeth medially. posterior margin is at teh third molar. Palys a role in oral resonance when the mandible is depressed to expose it, is involved in high pressure consonant production and is the source of distortion heard in misarticulation known as later /s/ |
|
|
Term
|
Definition
| three regions. pharynx. 12 cm, extends from the vocal folds below to teh region behind the nasal cavity, above. |
|
|
Term
| oropharynx( first region of pharynx) |
|
Definition
| Portion immediatly posterior to the fauces. Bounded above by the velum, lower boundary is the hyoid bone |
|
|
Term
| Laryngopharynx(second region) |
|
Definition
| hyoid marks the upper boundary. is bounded anteriorly by the eppiglottis and inferiorly by the esophagus |
|
|
Term
|
Definition
| space above teh soft palate, bounded posteriorly by the pharyngeal protuberenceof the occipital bone and by the nasal conchae in the front. Teh lateral wall contains the orafice of teh eustachian tube. at teh same level as the ears |
|
|
Term
|
Definition
| a buldge of tissue partially encicling the eustachian tube. |
|
|
Term
|
Definition
| ridge of tissue coursing down from the orifice. covered with a mucous membrane |
|
|
Term
|
Definition
| ridge of tissue coursing down from the orifice. covered with a mucous membrane |
|
|
Term
| Pharyngeal tonisls(adenoids) |
|
Definition
| in teh nasopharynx. lympnoid tissue arise from the base of the nasopharynx. removal may cause hypernasality |
|
|
Term
|
Definition
| are produced by the paired maillae, palatine and nasal bones. Tehy are divided by the septum, made up singular vomer, perpendicular plate of teh ethmooid. |
|
|
Term
|
Definition
| nostrils. , anterior boundariy of the nasal cavitiy. |
|
|
Term
|
Definition
| posterior portals connectiong the nasal cavities adn nasopharyn |
|
|
Term
|
Definition
| occupying most of teh floor of the mouth. involved primarily in mastication adn deglutition. |
|
|
Term
|
Definition
| divided the tongue longitudinally |
|
|
Term
|
Definition
| superior surface of the tongue |
|
|
Term
|
Definition
| anterior most portion of the tongue |
|
|
Term
| oral or palatine surface of the tongue |
|
Definition
| portion of the tongue surface within the oral cavity, makes up about two thirds of teh surface of the tongue |
|
|
Term
|
Definition
| the outer third of teh tongue surface, lies within the oropharynx |
|
|
Term
|
Definition
| divides the tongue into right and left sides |
|
|
Term
|
Definition
| small irregullar prominences on teh surface of the tongue |
|
|
Term
|
Definition
| marks the posterior palatine surface |
|
|
Term
|
Definition
| deep recess in the tongue |
|
|
Term
|
Definition
| joins the inferior side of the tongue and the mandible. |
|
|
Term
|
Definition
| helps you laterilze or compress the lips. there are two transverse muscles( buccinator and resorius) |
|
|
Term
|
Definition
| come to and from lips at an angle. help lifet the litps to smile and lower to frown. there are five angular muscles( levator labii, levator labii alaque nasi, depressor labii, and zygomatic major and minor) |
|
|
Term
|
Definition
| help compress and close lips. there are three verticle muscles( mentalis, drpressor angular oris, levator angular oris) |
|
|
Term
| superior Longitudinal (tongue) |
|
Definition
origin: epiglottis Insertion: lateral region of the tongue and apex.
Function: Elevates, assists in retraction |
|
|
Term
| inferior longitudinal ( tongue) |
|
Definition
origin: root of tongue and body of the hyoid
Insertion : apex of tongue
function
rtrsction, devistes tongue and pulls tip down |
|
|
Term
| transverse muscl of the tongue |
|
Definition
origin: median fiborous septum
Inserion: side of tongue
Function: provides mechansm for narrowing the tongue |
|
|
Term
| verticle muscles of the tongue |
|
Definition
origin: base of tongue
insertion: membranous cover
function: pulls tongue down into the floor of the mouth |
|
|
Term
|
Definition
origin: inner mandible at symphsis
insertion: tip and dorsum of tongue and corpus of hyoid
function: retract tongue, protrude tongue, depress tongue |
|
|
Term
|
Definition
origin: Length of greater cornu and hyoid
Insertion: sides of tongue
Function: pulls sides of tongue down |
|
|
Term
|
Definition
origin: styloid process
insertion: inferior sides of tongue
Function: draws tongue back and up |
|
|
Term
|
Definition
origin: lesser cornu of hyoid
Insertion: intrinisc muscles of teh tongue
function: depresses tongue |
|
|
Term
|
Definition
origin: palatal aponeurosis
Insertion: sides of posterior tongue
Function: elevates tongue and depresses soft palate |
|
|
Term
| muscles of mastication: mandibular elevators |
|
Definition
| masseter, temporalis, medial pterygoid, lateral pterygoid, mylohyoid, digasticus, geniohyoid, playsma |
|
|
Term
|
Definition
origin: zygomstic arch
Insertion: ramus of mandible and cornoid process
Function : elevates teh mandible |
|
|
Term
|
Definition
origin: temporal fossa of temporal and pariatel bones
Insertion: coronoid process and ramus
function: elevates mandible and draws it back if protruded |
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Term
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Definition
origin: medial pterygoid plate and fossa
Insertion: mandibular ramus
Function: elevates the mandible |
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Term
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Definition
origin: lateral pterygoid plate and greater winds of sphenoid
Insertion: pteryoid fovea of mandible
Function: protrudes the mandible |
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Term
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Definition
origin: inner suface of mandible near symphsis
Insertion: intermediate tendo to junture of hyoid
Function: pulls hyoid forward and depresses mandible in conjunction iwht posterior belly |
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Term
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Definition
origin: mastoid process of the temporal bone
Insertion: intermediate tendon to juncture hyoid
Function: pulls hypoid forward |
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Term
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Definition
origin: mylohyoid line of mandible
Insertion: meadian fiborous raphe and inferiorly to hyoid
function: depressed the mandible |
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Term
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Definition
origin: mental spines of mandible
Insertion : corpus hyoid
Function: depresses mandible |
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Term
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Definition
| levator veli palatini, musculus uvulae, tensor veli palatini, paltoglossus, palatapharyngeus |
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Term
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Definition
origin: apex of peatrous portion of temporal bone and medial wall of eustachian tube
Insertion: palatal aponeurosis of soft palate
function: elevates and retracts the posterior velum |
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Term
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Definition
origin posterior nasal spines of palatine bone and palatal apenurosis
insertion: mucous membrane of of velum
function: shorten soft palate |
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Term
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Definition
origin: scaphoid fossa of the sphenoid, sphenoid sppine and lateral eustachian tube wall
Function: dilates eustachian tube |
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Term
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Definition
origin: anterolateral palatal aponeurosis
insertion: sides of tongue
function:elevates the tongue or depresses the soft palate |
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Term
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Definition
orgin: anterior hard palate and midline of the soft palate
insertion: posterior margin of th thyroid cartilage
function: pulls pharyngeal wall forwad constricts pharyngeal diameter |
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Term
| middle pharyngeal constricter |
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Definition
origin:horns of hyoid and stylohyoid ligament
Isertion: median pharyngeal raphe
Function: narrows diameter of th epharynx |
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Term
| inferior ohayrngeal constrictor, cricopharyngeus |
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Definition
origin: cricoid carlitlage
Insertion: orifice of the esophagus
Function: condtricts superior orifice |
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Term
| inferior pharyngeal constrictor, thropharyngeus |
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Definition
origin: oblique line of thyroid
insertion: median pharyngeal raphe
function: reuduces diameter of lower pharynx |
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Term
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Definition
origin: lower margin of eustachian tube
Insertion: converges with palatopharyngeus muscle
function: elevates the lateral pharyngeal wall |
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Term
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Definition
origin: syloid process
Insertion: pharyngeal constrictor adn posterior thyroid cartlilage
function: elevates and opens the pharynx |
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Term
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Definition
| orbicularis oris, risorius, buccinator, levator labii superioris, zygomatic minor, zygmatic major, levator labii superioris alaeque nasi , depress labii inferoris, depressor anguli oris, mentalis, platysma |
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Term
| orbicularis oris inferior and superior |
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Definition
origin: corners of lips( angle of lips)
insertion: oppossite corners of lips
Function: constrict oral opening |
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Term
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Definition
origin: posterior region of the face along the fascia of the masseter
Insertion: orbicularis oris at the corners of the mouth
Function: retracts lips at the corners. helps you pucker |
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Term
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Definition
origin: sphenoid
insertion: angle of mouth
function: moves food onto the grinding surface of the molars , constricts oropharynx |
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Term
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Definition
origin: infraorbital margin of the maxilla
Insertion: upperlip( mid lateral region)
function: eleates upper lip |
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Term
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Definition
origin: facial surface of zygomatic bone
insertion: upperlip
function: elevates upper lip |
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Term
| levator labii alaeque nasi superioris |
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Definition
orgin: frontal process of maxillas
Insertion: upperlip
Function: elevates upper lip |
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Term
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Definition
origin: maxilla
Insertion: angle of the lips
function:brings upper lips down |
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Term
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Definition
origin: zygomatic bone
Insertion: angle of lips
Function: elevates and retracts angles of mouth; smile |
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Term
| depressor labii inferoris |
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Definition
origin: mandible
insertion: lowerlip
function: pulls lips down and out : dialate orifice |
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Term
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Definition
origin: angle of the mandible
insertion: angle of the lip
function brins lips down to compress mouth |
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Term
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Definition
origin: beaneath ncisors of mandible
insertion:base of the chin
function: elevates adn wrinkles chin and pulls lower lip out |
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Term
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Definition
origin: pectoralis major and mior
Insertion: corners of mouth, lower margin of the mandible
function: depresses the mandible |
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