Cranium- cross sectional

list the 8 cranial bones

parietal, frontal, occipital, temporal, sphenoid, ethmoid

what is in the anterior cranial fossa

frontal bone, ethmoid bone, lesser wing of sphenoid bone

what is in the middle cranial fossa

sphenoid bone, temporal bone, temporal lobes, hypothalamus

what is in the posterior cranial fossa

temporal bones, occipital bone, cerebellum, brainstem

what is the name of the top where the parietal bones meet

vertex

what bone makes up the large portion of the superior and lateral walls of the cranium

parietal

what is the name of the central, bulging area on the outer surface of the cranium

parietal eminence

what are the two portions of the frontal bone

vertical and horizontal portions

what is another name for the vertical portion of the frontal bone

squamous portion

what does the frontal bone form

the forehead and anterior vault of the cranium

what does the squamous portion of the frontal bone contain

frontal sinuses

what is another name for the horizontal portion of the frontal bone called

orbital plate

what is between the two orbital plates of the frontal bone

ethmoid notch

which one of the cranium bones is the smallest and most delicate

ethmoid bone

list the 4 parts of the ethmoid bone

cribriform plate, crista galli, perpendicular plate, lateral masses

where does the cribriform plate sit perfectly into

the ethmoid notch of the frontal bone

what is a sharp and bony projection that projects superiorly from the cribriform plate

the crista galli

where does the crista galli project to

superiorly from the cribriform plate

what divides the nasal cavity into right and left halves

perpendicular plate of the ethmoid bone

what projects inferiorly to descend from cribriform to form the superior poriton of the bony nasal septum

perpendicular plate of the ethmoid bone

what are another name for the lateral masses of the ethmoid bone

labyrinth

what houses the ethmoid air cells

lateral masses of the ethmoid bone

what is the largest air cell

ethmoid bulla

what projects from the lateral masses

the superior and middle nasal concha

what is between the unicate process and the ethmoid bulla

infundibulum

which cranial bone is a complex, butterfly shape that goes across the middle cranial fossa

sphenoid bone

what cranial bone is the only one that articulates with the rest

sphenoid bone

what are the 3 parts of the sphenoid bone

body, lesser wings, greater wings

what does the body of the sphenoid bone house

the sella turcica

what is a saddled shape depression that house the pituitary gland

sella turcica

what forms the anterior boundary of the sella turcica

tubercular sella

what forms the posterior boundary of the sella turcica

dorsum sella

what is rising from the dorsum sella

posterior clinoid process

what is beneath the sella turcica

2 sphenoid sinuses

what lies within the lesser wing of the sphenoid bone

opic canal

what is between the lesser and greater wings and is triangular shape

superior orbital fissure