Cranial Cavity

Question 1

this perforates floor of anterior cranial fossa

Answer 1

cribriform plate

Question 2

crista galli of ethmoid provides attachment for blank

Answer 2

falx cerebri

Question 3

anterior and posterior blank artery,nerve, and veins enter and exit cranial cavity at anterior cranial fossa

Answer 3

ethmoidal

Question 4

superior orbital fissure, optic foramina, foramen rotundum, foramen ovale, foramen lacerum, foramen spinosum are all part of blank

Answer 4

middle cranial fossa

Question 5

these nerves go through superior orbital fissure

Answer 5

III, IV, V1, VI

Question 6

optic foramina has blank going through it

Answer 6

II

Question 7

where pituitary sits

Answer 7

hypophyseal fossa

Question 8

blank enters at foramen spinosum

Answer 8

middle meningeal artery

Question 9

three important parts of posterior cranial fossa

Answer 9

internal acoustic meatus, jugular foramen, hypoglossal canal

Question 10

most pure white portion of temporal bone

Answer 10

petrous part

Question 11

arachnoid mater is separated from pia by blank

Answer 11

subarachnoid space

Question 12

subarachnoid space has this

Answer 12

csf

Question 13

space between dura and arachnoid

Answer 13

subdural

Question 14

epidural hematoma is caused by bleeding from the blank

Answer 14

middle meningeal artery

Question 15

sites where dura separates from the endocranium and invaginates into the cranial cavity as double layered folds that form incomplete partitions

Answer 15

dural folds

Question 16

dural fold separating the cerebellum and brainstem from the midbrain

Answer 16

tentorium cerebelli

Question 17

gap in the tentorium through which the brain continues into the middle cranial fossa

Answer 17

tentorial notch

Question 18

dural fold dividing cerebral hemispheres

Answer 18

falx cerebri

Question 19

dural fold dividing cerebellum

Answer 19

falx cerebelli

Question 20

this covers the hypophyseal fossa

Answer 20

diaphragma sellae

Question 21

dural venous sinuses where dura invaginates to form folds (5)

Answer 21

superior sagittal sinus, superior petrosal sinus, transverse sinus, confluence of sinuses, occipital sinus

Question 22

3 sinuses not associated with dural folds

Answer 22

sigmoid, cavernous, inferior petrosal

Question 23

3 dural venous sinuses not associated with the endocranium at all and only between folds of dura

Answer 23

inferior sagittal sinus, straight sinus, intercavernous sinuses

Question 24

veins that go from dural sinsuses to veins outside cranial cavity

Answer 24

emissary veins

Question 25

veins that run only in the diploe

Answer 25

diploic veins

Question 26

confluence is usually not directly in the blank

Answer 26

midline

Question 27

sigmoid sinus dumps into blank

Answer 27

internal jugular vein

Question 28

vein near sides of nose

Answer 28

facial vein