quiz 12 Flashcards
(27 cards)
notch in the back/lower skull (on occipital bone)
external occipital protuberance
runs up from the spine, holds up head
Nuchal ligament
half a joint, sit on top of vertebrae, joint for between vertebral column and skull
occipital condyle
anterior to foramen magnum, attaches to sphenoid body
basilar portion
flat part, anterior, superior to ears (portion of temporal bone)
squamous portion
deep to the ear, very dense (portion of temporal bone)
petrous portion
spongelike, least dense, posterior to petrous (portion of temporal bone)
mastoid portion
string like bone (portion of temporal bone)
styloid process
forms arch from temporal bone to zygomatic bone
zygomatic process
sits in ethmoid notch directly below glabella, extremely fragile, paper thin
ethmoid bone
where the central nerve passes through to give you a sense of smell, holes let nerve fibers through
cribriform plate
part of nasal septum - upper portion, holes are upper part of nostrols
perpendicular plate
very paper thin bone, ethmoid air cells (sinuses)
lamina paryracea
top tip of ethmoid bone, stick into brain
crista galli
bulge in medial/lateral wall of nose
superior nasal concha
below the ethmoid bone, forms piece of orbit and part of nasal cavital, dividing line of cranium and face
sphenoid bone
forms part of the orbital plate and base of skull (part of sphenoid)
greater wing
forms very small part of orbit
lesser wing
this connects to the body of the sphenoid ***
basilar portion of the occipital bone
notch on the sphenoid body
sella turcica
what sits in the sella turcica
pituitary gland
another name for the sella turcica
hypophysis
2 on each side, form back of nose
ptergoid plates
hooks on end of ptergoid plates
hamulus