Exam 4 Pt. 2 Flashcards
bones of the cranial skeleton
ethmoid, sphenoid, frontal, parietal, occipital, temporal
ethmoid bone
crista galli, cribiform plate, superior and middle nasal conchea, perpendicular plate
crista galli
point of attachment for meninges
cribiform plate
separates the cranial cavity from the nasal cavities, passage for olfactory nerves
superior and middle nasal conchea
contributes to later nasal walls
perpendicular plate
contributes to the structure of nasal septum, along with vomer bone and nasal cartilage.
optic canal
passage for II optic nerve
foramen rotundum
passage for maxillary branch of V trigeminal nerve
hypophyseal fossa
houses the pituitary gland
lateral and medial pterygoid plate
points of attachment for various muscles
frontal bone
orbital portion, zygomatic process
orbital portion
contributes to eye socket
zygomatic process
articulates with the zygomatic bones
coronal suture
between the frontal bone and parietal bones
squamosoal suture
between temporal bones and parietal bones
sagittal sutures
between both parietal bones
lambdoidal suture
between occipital and parietal bones
occipital bones
foramen magnum, condyle, cerebellar fossa.
foramen magnum
passage for the spinal cord
condyle
resting point for cervical vertebra
cerebellar fossa
location of cerebellum
tympanic portion
styloid process
petrous portion
semicircular canals, cochlea
mastoid portion
mastoid process
sinuses
frontal sinuses, sphenoidal sinuses, ethmoidal sinuses, maxillary sinuses.
