Term
| Approximately how many bones occur in the adult skeleton? |
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Definition
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Term
| What are the two main divisions of the skeleton? |
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Definition
Axial Skeleton
Appendicular Skeleton |
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Term
| What are the three main components of the axial skeleton? |
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Definition
Skull
vertebral Column
Ribcage |
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Term
| What are the two main divisions of the skull? |
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Definition
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Term
| What Cavities hold the eyeballs |
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Definition
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Term
| What two long, narrow openings that lie within the cavities which hold the eyeballs? |
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Definition
Superior Orbital Fissure
Inferior Orbital Fissure |
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Term
| What structure divides the nasal cavity into right and left halves |
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Definition
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Term
| What scroll-shaped bones are visible on the lateral walls of the nasal cavity? |
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Definition
Nasal Conchae
(Turbanate Bones) |
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Term
| What articulation between three ot the four bones visible from a superior view of the skull occurs anteriorly in a frontal plane? |
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Definition
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Term
| What articulation can be seen running along the midline in a superior view of the skull? |
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Definition
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Term
| What articulation can be seen posteriorly in afrontal plane between three of the four bones visible from a superior view of the skull? |
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Definition
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Term
| What are variable bones that conmmonly occur in the lambdoidal suture and occasionally in other articulations within the skull? |
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Definition
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Term
| What is a synonym for the "skullcap"? |
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Definition
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Term
| What bone forms part of the cavaria, the forehead, and the roof of the orbits? |
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Definition
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Term
| What is a synonym for the brow ridges? |
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Definition
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Term
| What cavity lies within the frontal bone? |
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Definition
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Term
| What part of the skull do the parietal bones form? |
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Definition
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Term
| What part of the skull do the temporal bones form? |
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Definition
Inferior lateral walls
Part of the floor of the cranium |
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Term
| What part of the temporal bone holds the middle and inner ear? |
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Definition
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Term
| What opening occurs on the medial, posterior aspect of the tmporal bone for blood vessels and nerves? |
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Definition
Internal Acoustic Canal
(Meatus) |
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Term
| What is the posterior region of the temporal bone? |
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Definition
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Term
| What prominence on the temporal bone lies posterior to the ear, serves as the insertion for the sternocleidomastoid, and contains air cells? |
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Definition
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Term
| What region of the temporal bone surrounds the bony, external opening of the ear? |
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Definition
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Term
| What thin point of bone on the temporal bone serves as an attachment for several hyoid and tongue muscles? |
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Definition
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Term
| What opening does the facial nerve pass through on the inferior surface of the skull? |
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Definition
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Term
| What opening does the internal carotid artery pass through here? |
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Definition
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Term
| What region of the temporal bone forms the superior, lateral, flat area of the bone? |
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Definition
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Term
| What bony process projects anteriorly from the squamous region of the temporal bone? |
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Definition
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Term
| What part of the squamous region of the temporal bone articulates with the mandible? |
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Definition
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Term
| What is the opening for the ear? |
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Definition
| External Auditory Canal (External Acoustic Meatus) |
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Term
| What bone forms the posterior portion of the skull and the base of the cranium? |
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Definition
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Term
| What is the flat, posterior regin of the occipital bone? |
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Definition
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Term
| What region of the occipital bone forms the base of the cranium? |
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Definition
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Term
| What is the large, circular opening within the skull for the spinal cord to pass through? |
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Definition
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Term
| What are the smooth, rounded projections on the right and left sides of the foramen magnum? |
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Definition
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Term
| Within the skull what is the opening for cranial nerve XII? |
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Definition
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Term
| What superior, horizontal line projects laterally from the external occipital protuberance? |
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Definition
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Term
| What bone of the skull has a butterfly-shape and unites the cranial and facial bones? |
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Definition
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Term
| What is the thick, medial part of the sphenoid? |
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Definition
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Term
| What cavities lie within the sphenoid? |
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Definition
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Term
| What Projections of the sphenoid lie superior to the superior orbital fissure? |
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Definition
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Term
| What projections of the sphenoid lie inferior to the superior orbital fissure and can be seen in a lateral view of the skull? |
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Definition
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Term
| Within the sphenoid, what is the depression holding the pituitary gland? |
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Definition
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Term
| What is the bony enclosure of the hypophyseal fossa? |
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Definition
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Term
| Through what opening of the sphenoid does the optic nerve pass? |
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Definition
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Term
| What three foramina penetrate the greater wings of the sphenoid? |
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Definition
Foramen Rotundum
Foramen Ovale
Foramen Spinosum |
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Term
| What projections of the sphenoid provide attachment surfaces for some muscles that move the lower jaw and soft palate? |
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Definition
| Medial and Lateral Pterygoid Plates |
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Term
| What bone of the skull lies between the orbits and forms the anteromedial floor of the cranium? |
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Definition
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Term
| What is the superior, midsagittal elevation of the ethmoid? |
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Definition
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Term
| What horizontal structure of the ethmoid separates the cranial and nasal cavities? |
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Definition
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Term
| Through what openings do the olfactory nerves pass? |
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Definition
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Term
| What are the cavities within the ethmoid? |
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Definition
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Term
| What parts of te ethmoid bone hold the cavities within it? |
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Definition
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Term
| what part of the ethmoid forms the medial wasll of the orbits? |
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Definition
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Term
| What scroll-like extensions of the ethmoid project medially into the nasal cavity? |
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Definition
Superior Nasal Conchae
Middle Nasal Conchae |
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Term
| List the three cranial fossae. |
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Definition
Anterior Cranial Fossa
Middle Cranial Fossa
Posterior Cranial Fossa |
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Term
| What is the anatomical term for the cheekbone? |
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Definition
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Term
| what bony projections of the zygomatic bones contribute to the zygomatic arches? |
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Definition
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Term
| In addition to the temporal process, what other two processes articulat the zygomatic bone with surrounding bones? |
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Definition
Mazillary Process
Frontal Process |
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Term
| What bone forms the anterior, medial orbital wall? |
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Definition
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Term
| What depression in the lacrimal bone holds the lacriml sac? |
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Definition
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Term
| Within the lacrimal bone, what structure allows the passage of the nasolacrimal duct? |
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Definition
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Term
| What bones of the face form the bridge of the nose? |
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Definition
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Term
| What facial bone articulates with the perpendicular plate of the ethmoid to form the nasal septum? |
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Definition
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Term
| What is the scroll-shaped bone of the inferior, lateral wall of the nasal cavity? |
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Definition
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Term
| List the three nasal conchae found on each side of the nasal cavity. |
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Definition
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Term
| What is a synonym for the nasal conchae? |
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Definition
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Term
| What L-shaped bones of the face form the posterior third of the hard palate, the posterior, lateral portion of the nasal cavity, and a poriton of the orbit? |
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Definition
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Term
| What portion of the palatines forms the posterior third of the hard palette? |
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Definition
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Term
| What part of the palatine forms the posterior, lateral wall of the nasal cavity? |
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Definition
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Term
| What part of the palatine forms a small part of the floor of the orbit? |
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Definition
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Term
| What bone holds the upper teeth and forms the anterior two thirds of the hard palate and the floor of the orbit? |
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Definition
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Term
| What part of the maxilla forms the floor of the orbit? |
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Definition
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Term
| What opening within the maxilla do the infraorbital artery and nerve pass through? |
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Definition
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Term
| What part of the maxilla holds the upper teeth? |
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Definition
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Term
| What part of the maxilla forms the anterior two therds of the the hard palette? |
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Definition
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Term
| What large cavity lies within the maxilla? |
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Definition
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Term
| what is the only bone of the lower jaw? |
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Definition
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Term
| What is the horizontal portion of the mandible? |
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Definition
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Term
| What are th ascending, posterior regions of the mandible? |
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Definition
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Term
| What part of the mandible holds the lower teeth? |
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Definition
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Term
| What are the two corners of the mandible? |
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Definition
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Term
| What opening lies on the anterolateral surface of the body of the mandible? |
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Definition
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Term
| What opening within the mandible lies on the posterior, medial side? |
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Definition
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Term
| What process of the mandible articulates with the temporal bone? |
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Definition
| Condylar (Condyloid) Process |
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Term
| What is the smooth, round portion of the conylar proces of the mandible? |
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Definition
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Term
| What is the joint between the mandible and the temporal bone? |
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Definition
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Term
| What process of the mandible does the temporalis insert on? |
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Definition
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Term
| What bones make up the roof of the nasal cavity? |
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Definition
Ethmoid-Cribriform Plate
Frontal Bone
Sphenoid Bone |
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Term
| What bones make up the floor of the nasal cavity? |
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Definition
Maxilla-Palatine Process
Palatin-Horizontal Plate |
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Term
| What bones form the lateral walls of the nasal cavity? |
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Definition
Ethmoid Bones
Maxillae
Inferior Nasal Conchae
Palatine Bones
Lacrimal Bones |
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Term
| Lst the groups of paranasal sinuses. |
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Definition
Ethmoidal
Frontal
Maxillary
Sphenoidal |
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Term
| List the bones that form the orbit. |
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Definition
Frontal Bone
Zygomatic Bone
Maxilla
Lacrimal Bone
Ethmoid
Palatine
Sphenoid |
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Term
| What is the collective term oft the tine bones of the middle ear? |
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Definition
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Term
| List he ear ossiclaes from lateral to medial |
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Definition
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Term
| What small, U-shaped bone lies superior to the larynx? |
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Definition
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Term
| What is the anatomical term for the softspots in a baby's skull? |
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Definition
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Term
|
Definition
Anterior
Posterior
Sphenoid (Anterolateral)
Mastoid (Posterolateral) |
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Term
| What is the fuction of the fontanelles? |
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Definition
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Term
| What fontanel is found on the anterior portion of the midline on the superior aspect of the skull? |
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Definition
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Term
| What fontanel is found on the posterior portion of the midlin on the superior aspect of the skull? |
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Definition
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Term
| What fontanel is found of the anterior, lateral aspect of the skull |
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Definition
| Sphenoid (Anterolateral) Fontanel |
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Term
| What fontanel is found on the posterior, lateral aspect of the skull? |
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Definition
| Mastoid (Posterolateral) Fontanel |
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