EXAM QUESTIONS: Meninges and sinuses

Question 1

which vein drains into straight (rectus) sinus?

Answer 1

Great Cerebral Vein of Galen

Question 2

what drains to confluence sinus?

Answer 2

rectus, superior sagital and the occipital sinuses

Question 3

venous blood from confluence sinus drains to where?

Answer 3

= leaves via transverse sinus and goes to sigmoidal –> internal jugular vein

Question 4

which structures drain into inferior petrosal sinus? = 2 features= (labyrinthine V and cavernous sinus)

Answer 4

= 2 features
labyrinthine V
cavernous sinus

Question 5

superior petrosal sinus?

Answer 5

internal cerebral V and cavernous sinus

Question 6

where to sup. and inf. petrosal sinus drain?

Answer 6

NOT THE CONFLUENCE!!!!!!

because it drains to the sigmoid sinus

Question 7

tentorium cerebelli innervation?

Answer 7

tentorial n from the olphthalmic n

Question 8

broadman number?

post central gyrus

Answer 8

primary sensory

312

Question 9

precentral gyrus ( 4, 6)

Answer 9

( 4, 6)

primary somatomotor cortex

Question 10

calcarine sulcus ?

Answer 10

calcarine sulcus ( 17,18)

Question 11

superior, middle and inferior temporal?

Answer 11

superior, middle and inferior temporal (41, 42, 43 respectively)

Question 12

which space can be seen in the specimen?

Answer 12

SUBDURAL SPACE ( VENOUS SINUSES)

Question 13

contents and location of epidural, subdural and subarachnoid spaces

Answer 13

EPIDURAL IS ABOVE THE DURA MATER

SUBDURAL (BENEATH THE DURA MATER)

SUBARACHNOID SPACE= PATHOLOGICAL IN CRANIUM, CISTERNS ( DILATIATIONS)

ARACHNOID TRABECULAE
ARACHNOID VILLI
EPENDYMA CELLS ( IMPERMEABLE TO CSF)