Term
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Definition
| bone responsible for the shape of the forehead and contributes to the upper part of the eye socket (i.e. orbit) |
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Definition
| the upper margin of the eye socket |
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Term
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Definition
| bilateral depressions in the floor of the anterior portion of the skull; can be observed in a skull whose top is removable |
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Term
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Definition
| form much of the lateral wall and part of the roof of the skull |
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Term
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Definition
| form the floor for much of the middle cranial fossa and sides of the skull; projects forward to compose part of the zygomatic arch |
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Term
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Definition
| flat portion of temporal bone above the ear |
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Term
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Definition
| slender process extending forward from squamous portion to contribute to the zygomatic arch |
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Term
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Definition
| bilateral depressions in the floor of the middle portion of the skull; can be observed in a skull whose top is removable |
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Term
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Definition
| large prominence extending down behind ear; contains mastoid air sinus internally |
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Term
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Definition
| inward extension of temporal bone; best seen in skulls where top is removable; surrounds middle and inner ears |
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Term
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Definition
| passageway for nerves and vessels that supply the ear |
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Term
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Definition
| pointed projection below ear; often broken in dry skulls |
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Term
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Definition
| depression in temporal bone in front of external auditory meatus; for articulation with the mandible |
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Term
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Definition
| form the prominent parts of the upper cheeks and can be felt on yourself just below the orbits; forms the anterior portion of the zygomatic arch |
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Term
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Definition
| single bone which forms the posterior part and a portion of the base of the skull |
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Term
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Definition
| large opening in the lower part where medulla of the brain joins the spinal cord |
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Term
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Definition
| two oval prominences on either side of the foramen magnum; articulate with the first cervical vertebra, the atlas |
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Term
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Definition
| bilateral depressions in the floor of the posterior portion of the skull; can be observed in a skull whose top is removable |
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Term
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Definition
| has the general resemblence to a bat in shape; helps to form the posterior portion of the orbitals |
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Term
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Definition
| hollow, cube-like central portion of the sphenoid bone |
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Term
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Definition
| lateral projections from the body (lesser and greater) |
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Term
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Definition
| obvious central depression seen on the upper surface of the sphenoid; the depression is saddle-shaped; the pituitary gland lies in this depression |
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Term
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Definition
| on either side and in front of the sella turica; for passage of the optic nerve coming from the eye |
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Term
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Definition
| very delicate single bone found in the anterior portion of the skull |
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Term
| cribiform or horizontal plate |
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Definition
| sieve-like portion of the skull (filled with small holes) which is seen from above in the cut skull; weakest part of the skull |
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Term
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Definition
| small holes in the cribiform plate through which branches of the olfactory nerve pass on their way to the brain |
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Term
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Definition
| sharp process extending up from cribiform plate in the midline |
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Term
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Definition
| downward extension of the ethmoid bone; forms part of the bony nasal septum |
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Term
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Definition
| help form lateral walls of nose; flare out into nasal passageway to cause turbulance in airflow; mucus membranes sit on these; there are 3 on each side, a superior, middle, and inferior (the inferior is a separate bone) |
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Term
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Definition
| form the bridge of the nose; in living individuals, cartilage extends distally from these bones |
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Term
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Definition
| small delicate bones seen in the medial wall of the orbit; each has a groove for the tear duct which carries tears to the nasal cavities |
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Term
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Definition
| plowshare-shaped bone which, along with the perpendicular plate of the ethmoid, forms part of the nasal septum |
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Term
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Definition
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Term
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Definition
| main anterior part of mandible; forms the chin |
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Term
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Definition
| projects upward from posterior part of the body of the mandible |
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Term
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Definition
| part of each ramus that articulates with the mandibular fossa of temporal bone |
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Term
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Definition
| hole on inner surface of ramus; transmits nerves and blood vessels to lower jaw |
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Term
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Definition
| on lateral aspect of the body of mandible; for nerve and vessels |
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Definition
| portion of the mandible and the maxillae at the border continous with the teeth |
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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
| first 2 broad teeth behind canines |
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Term
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Definition
| broad teeth behind the premolars |
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Term
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Definition
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Term
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Definition
| inward projection from alveolar process; forms the largest portion of the hard palate at the roof of the mouth |
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Term
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Definition
| 2 bones forming the posterior portion of the hard palate ("L" shaped) |
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Term
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Definition
| single horseshoe-shaped bone that lies in front of the neck; does not form joints with any other bone (boyfriend bone) |
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Term
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Definition
| 3 bones located in each middle ear and are involved with sound transmission |
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Term
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Definition
| hammer; attached to eardrum and next bone |
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Term
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Definition
| anvil; attached to next bone |
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Term
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Definition
| stirrup; attached to inner ear |
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Term
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Definition
| immovable joints responsible for holding the skull bones together and for allowing bone growth |
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Term
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Definition
| suture between frontal and parietal bones |
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Term
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Definition
| suture between the occipital and 2 parietal bones |
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Term
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Definition
| suture between 2 pariental bones |
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Term
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Definition
| suture between the temporal bone and several others such as the occipital, parietal, and sphenoid |
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Term
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Definition
| soft spots in the skull of a newborn |
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Term
| anterior or frontal fontanel |
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Definition
| fontanel in area where the coronal suture meets the sagittal suture |
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Term
| posterior or occipital fontanel |
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Definition
| fontanel in area where lambdoidal suture meets the sagittal suture |
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Term
| antero-lateral or sphenoid fontanel |
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Definition
| fontanel in area where parietal, temporal, frontal, and sphenoid bones all meet; or where the coronal suture meets the sphenoid bone |
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Term
| postero-lateral or mastoid fontanel |
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Definition
| fontanel where the lambdoidal and squamosal suture meet each other |
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Term
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Definition
| projection upward from anterior part of each ramus |
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