Term
| How many bones are in the human body? |
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Definition
| 206 bones in Axial and Appendicular skeleton |
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Term
| How many bones in the Axial Skeleton |
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Definition
| 80 bones in the axial skeleton |
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Term
| How many bones in the skull (cranium and face) |
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Definition
| 22 total bones in cranium and face |
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Term
| How many bones are associated with the skull (ossicles and hyoid bone) |
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Definition
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Term
| How many bones in the vetebral column |
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Definition
| (vertbrae, sacrum and coccyx)-26 total bones |
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Term
| How many bones in thoracic cage (ribs and sternum) |
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Definition
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Term
| Functions of the axial skeleton |
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Definition
framework that supports and protects organs in the dorsal and ventral body cavitites
Provides extensive surface area for the attachment of muscle that adjust positions of the head and trunk; performs respiratory movements
stabilizes or postion structure of the appendicular skeleton |
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Term
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Definition
| immovable joints found between skull bones |
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Term
| Coronal suture? (location) |
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Definition
| unites frontal and parietal bones |
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Term
| sagittal suture? (location) |
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Definition
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Term
| Lambdoid suture? (location) |
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Definition
| unites parietal and occipital bones |
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Term
| squamous suture? (location) |
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Definition
| unites parietal and temporal bones |
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Term
| what are the 8 total bones of the skull (cranium) |
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Definition
| Occipital, parietal, frontal, sphenoid and ethmoid |
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Term
| How many occipital bones? |
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Definition
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Term
| Foramen magnum (function) |
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Definition
| Connects the cranial cavity with the spinal cavity |
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Term
| Occipital condyletes-- Where is it? |
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Definition
| where the skull articulates witht he first veterbrae |
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Term
| External occipital protubereance--Where is it? |
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Definition
| small bump superior to the foramen magnum |
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Term
| Hypoglossal canals? Location |
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Definition
| Cranium hypoglossal nerves pass through here |
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Term
| Parietal bone --How many? |
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Definition
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Term
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Definition
| Superior and lateral surfaces of the cranium and form a major portion of the skull cap |
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Term
Describe the parietal bones?
Describe the superior and inferior temporal lines? |
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Definition
Internal surface of these bones contain many protrusions and depressions that accodomate the blood vessels supplying the superfical covering of the brain.
Superior and inferior temporial lines mark the attachments of the temporalis muscle (large muscle that closes the mouth) |
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Term
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Definition
| superfical covering of the brain |
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Term
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Definition
| 1 forms the forehead and roof of the orbitis |
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Term
| subaorbital margins-Location |
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Definition
| Mark the superior limits of the orbitis |
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Term
| supraorbital foreman (location) |
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Definition
| found in the center of of each supraorbital margin(supraorbital nerve and artery pass through here |
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Term
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Definition
| contain small openings for blood vesells and nerves |
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Term
| frontal sinsus-Describe ?develop? |
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Definition
variable in size and time of appearance
Ususally develop after age 6 but some never develop. make the skull lighter. |
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Term
| Temporal bones How many? named for? describe? |
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Definition
| (2) bones named for time, the regions where the passage of time is first obvious |
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Term
| Describe Zygomatic process |
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Definition
| articulates with the temporal process of the zygomatic bone to form the arch. |
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Term
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Definition
| internal cartoid artery pass through here |
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Term
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Definition
bounded by temporal and occipital bones
internal jugular vein and some nerves pass through, more posterior than the carotid canal |
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Term
| Mandibular fossa describe (found) |
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Definition
| inferior base of the zygomatic process found on temporal bone where it articulates with the mandible |
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Term
| Where does the Internal/external acoustic meatus end? |
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Definition
| ends at the delicatetympanic membrane (eardrum) |
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Term
Describe location of mastoid process?
Attachment site for? |
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Definition
Location is hard regionbehind the ear.
Attachment site for muscles that rotate or extend the head. |
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Term
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Definition
| liagments that support the hyoid bone attach here as do muscles of the tongue, larynx and pharynx |
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Term
stylomastoid foramen
(Location) |
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Definition
| postier to the base of the styloid process, facial nerve passes through |
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Term
| Sphenoid number of bones /location and function |
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Definition
1 bone- extends from one side to the other contibuting to the floor of the cranium.
Acts as a brace strengthening the sides of the skull, articulates with every other cranial bone. Mostly hidden by more superficial bones. Unites the cranial and facial bones. |
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Term
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Definition
| Bony enclosure that cradels the pituitary gland |
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Term
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Definition
| on either side of the optic groove |
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Term
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Definition
| Optical nerve that passes through the optical canal |
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Term
| Superior orbital fissure (funtion and location) |
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Definition
| PASSAGEWAY FOR BLOOD VESSELS AND CRANIAL NERVES OF THE EYE. FOUND IN EITHER SIDE OF THE SELLA TURCICA |
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Term
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Definition
| drain into the nasal cavity on the opposite sides of the bone of the sella turcica |
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Term
Sphenoid Bone
Foramen rotundum |
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Definition
| Maxillary branch of cranial nerve V (trigeminal) passes through |
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Term
spenoid bone
foramen ovale |
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Definition
| penetrates the greater wing mandibular branch of the cranialnerveV passes through |
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Term
Spenoid Bone
foramen spinosum (location) |
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Definition
posterior to the foremen ovale
middle meningealblood vessels pass through |
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Term
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Definition
Greater-forms part of the lateralwall of the cranium
Lesser-triangular in shape |
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Term
Skull-Cranium
Ethmoid
List the three parts |
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Definition
cribriform plate
paried lateral masses
perpendicular plate |
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Term
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Definition
superior surface, seperates the right and left
Membrane that stabilizes the brain attaches here |
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Term
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Definition
| Superior surface, seperates the right and left Membrane that stabilizes the brain attaches here |
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Term
| Foramina in cribriform plate |
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Definition
| allows for the passage of branches of the olfactory nerve |
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Term
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Definition
| forms the roof of the nasal cavity |
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Term
| Lateral masses skull cranium |
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Definition
| contain ethmoid sinsuses- form most of the wall between the nasal cavity and orbitis |
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Term
| Middle nasal concha(e)and superior nasal concha |
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Definition
| together they promote the turbulent circulation and filtration of air before it passes it passes into the lungs |
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Term
| perpendicular plate (location) |
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Definition
| forms the superior portion of the nasal septum |
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Term
| How many bones are in the skull or face? |
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Definition
| l moveable and 13 immovable |
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Term
| Purpose of bones in the skull or face? |
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Definition
| Shape the face and provide attachment for the muscles that move the jaw and control facial expressions |
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Term
| maxillae how many and purpose |
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Definition
| (2) largest facial bones, form the upper jaw |
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Term
| alceolar process- location |
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Definition
| oral orgins of the maxillae contain the sockets for the upper teeth |
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Term
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Definition
| forms part of the orbit under and the sides of the nose |
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Term
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Definition
| form anterior 3/4 of the hard palate |
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Term
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Definition
| largest sinuses in the skull |
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Term
| Palatine bones # Shape and location |
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Definition
| (2) l-shaped bones, form the postier portion of the hard palate |
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Term
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Definition
| #2 form part of the bridge of the nose |
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Term
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Definition
| (2) form the lateral walls of the nasal cavity. Projection into the nasal cavity, inferior to the superior and middle nasal conchae of the ethmoid bone |
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Term
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Definition
| (2) commonly called cheek bones, form part of orbital wall |
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Term
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Definition
| Projects posteriorly, articulates with zygomatic process of the temporal bone to form the zygomatic arch |
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Term
| What is the smallest bones of the skull |
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Definition
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Term
| What is the location of the lacrimal bones |
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Definition
form part of the medial wall of each orbit
between the ethmoid and maxillary bone |
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Term
| Decribe the location of the vomer |
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Definition
| (1) forms the inferior and posterior part of the nasal septum articulates the perpendicular plate of the ethmoid bone |
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Term
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Definition
(2) forms the entire lower jaw
largest, strongest facial bone
only moveable skull bone |
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Term
| posterior condylar process |
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Definition
| articulatess with the mandibiular fossa and articular tubercle of the temporal bone to form the temporomandibular joint |
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Term
| anterior coronoid process |
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Definition
| temporalis muscle attaches here (muscle that closes the mouth) |
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Term
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Definition
| nerves that carry info from the lips to the chin pass through here |
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Term
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Definition
auditoru ossicles (6) in the middle ear and petrous portion of the temporal bone
Malleus-the tympatic membrane
Incus
Staples-at the oval window
Hyoid bone (1) |
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Term
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Definition
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Term
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Definition
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Term
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Definition
(1) does not directly attach to any other bone
located in the neck region below the mandible
base for several muscles concerned with the movement of the tongue and larynx |
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Term
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Definition
| Bony process that encloses and protects the eye |
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Term
| Orbital complex contains? |
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Definition
| The lacrimal gland, adipose tissue, muscles that move the eye , blood vessels and nerves |
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Term
| Frontal bone of the orbital complex |
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Definition
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Term
| Maxillary bone of the orbital complex |
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Definition
| forms most of the orbital floor |
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Term
| lacrimal bone of the orbital complex |
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Definition
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Term
| Ethmoid bone of the orbital complex |
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Definition
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Term
| Sphenoid bone of the orbital complex |
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Definition
| most of the postier orbital wall |
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Term
| Palatine bone of the orbital complex |
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Definition
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Term
| zygomatic bone of the orbital complex |
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Definition
| forms the lateral wall and rim of the orbit |
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Term
| Bones of the nasal complex includes? |
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Definition
| bones and cartilage that encloses the nasal cavities and paranasal sinsues |
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Term
| WHich bones form the superior wall of the nasal cavity? |
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Definition
Frontal bone
sphenoid bone
ethmoid bone |
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Term
| which bones form the bony protion of the nasal septum |
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Definition
perpendicular plate
vomer |
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Term
| THE MAXILLARY BONE FORMS WHAT OF THE NASAL COMPLEX? |
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Definition
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Term
| The palatine bone form what of the nasal complex? |
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Definition
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Term
| What bones form the ridge of the nasal complex? |
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Definition
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Term
| What is the function of the vetebral column? |
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Definition
supports the weight of the head, neck and trunk, ultimately transferring that weight to the appendicular sketeton of the lower limbs
protects the spinal cord and helps maintain an upright position. |
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Term
Structures common to all vertebrae
Body? |
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Definition
| Body is the central part of all vertebrae transfers weight |
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Term
| What is the intervertebral discs |
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Definition
| pads of fiberous cartilage |
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Term
| What is the vetebral arch? |
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Definition
| Forms the lateral and postier margins of the vetebral foramen |
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Term
| What is the vetebral foramen |
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Definition
| contains the spinal cord, fat, areolar connective tissue and blood vessels |
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Term
| Describe the thoracic veterbrae |
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Definition
Next 12 vertebrae after the cervical vertebrae
heart shaped body veteebral foramen is smaller |
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Term
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Definition
| 1-7 connected to sternum by seperate cartilage (costalCartilages) |
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Term
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Definition
ribs 8-12 do not attach directly to the sternum
the costal cartilages of ribs 8-10 fuse togther before reaching the sternum |
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Term
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Definition
| ribs 11-12 no connectionwith the sternum |
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Term
| What is the function of the transferse foramina? |
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Definition
| to protect the vertebral arteries and veins |
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Term
how many cervical vertebrae?
Time for Breakfast? |
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Definition
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Term
| What are the functions of C1 (Atalas) |
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Definition
| Articulation of the occipital condyles of the occipital bone. Permits nodding for "yes" butnot for twisting. |
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Term
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Definition
No vetebral body
superior articular facet (oval)
Articular facet for dens of axis
inferior articular facet (round) |
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Term
| Where is the transverse Liagment located? |
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Definition
| It goes round the dens of the axis |
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Term
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Definition
| Articulation with the atlas permits the rotation (saying No) |
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Term
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Definition
| Body of the atlas fuses to the body of the axis creating the dens |
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Term
| What the function of the spinous function? |
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Definition
| Muscles important to controlling the position of the head and neck attach here. |
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Term
| What does the term articulate mean? |
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Definition
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Term
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Definition
| Orginates on or between the thoraic verebrae and ends in the wall of the thorarcic cavity |
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Term
| Describe the head of the ribs? |
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Definition
| Where the rib articulates with the veterbal body. Superior and inferior articular facets |
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Term
| Describe the tubercle of the rib? |
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Definition
| portion of the rib that projects dorsally. Inferior portion of the tubercle that contain an articular facet that connects the transverse processes of the thoracic vetebrae |
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Term
| Describe what the angle of the rib is? |
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Definition
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Term
| What does the costal grove of the rib do? |
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Definition
| marks the path of nerves and blood vessels on the inferior surface of the rib |
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Term
Sternum
Location and function of Manubrium? |
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Definition
| articulates with the clavicles and cartilages of the first pair of ribs. |
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Term
Sternum
Location of the jugular notch? |
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Definition
| shallow indention on the superior surface between the clavical articulations |
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Term
Sternum
Location of the clavicular articulation |
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Definition
| where the manubrium articulates with the clavicle |
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Term
| What does the body of the sternum attach to? |
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Definition
| attaches to the inferior surface of the the manubrium |
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Term
| Describe the location Howof the xiphoid process of the sternum? |
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Definition
| attached to the inferior surface of the body |
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Term
| How many bones are in the thoracic cage? |
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Definition
| 25 total bones (24 ribs and 1 sternum) |
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Term
| What is the function of the thoracic cage? |
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Definition
| Protects the heart, lungs, thymus and other structures of the thoracic cavity |
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Term
| The thoracic cage is the attachment point for muscles that are involved with what? |
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Definition
| Attachment point for muscles involved with respirations, the position of the veterbral column and movements of the pectoral girdle and upper limbs |
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Term
| How many bones in the coccyx? |
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Definition
| 3-5 bones in the coccygeal vetebrae |
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Term
| What age does the coccyx bones begin to fuse? |
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Definition
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Term
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Definition
| formed by the union of 5 sacral verebrae |
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Term
| When do the sacrum bones begin to fuse and when is this process complete? |
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Definition
| Begins to fuse at ages 16-18 and is usually complete by age 30 |
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Term
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Definition
protects the reproductive, digestive and excretory organs
Broad surface area for the attachment of muscles responsible for moving the thigh |
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Term
| Describe the function of the cervical curvature of the spine |
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Definition
| helps shift trunk weight over to the the legs |
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Term
| Describe the function of the thoracic curvature of the spine? |
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Definition
| accommodates the thoracic viscera |
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Term
| Describe the function of the lumbar curvature of the spine? |
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Definition
| helps shift the trunk weight over to the legs |
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Term
| What does the sacral accommmodate? |
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Definition
| the abdominopelvic viscera |
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Term
Lumbar vetebrae have how many bones?
Supper? |
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Definition
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Term
| Describe the lumbar vertebrae? |
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Definition
no articular facets on either the body or the transverse process
transverse process are slender
the spinous process are stump, provide surface area for the attachment of the lower back muscles and reinforce or adjust the lumbar curvature |
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Term
| What thoracic vertebrae have only one single whole facet on each side? |
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Definition
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