meninges

Question 1

two types of meningitis

Answer 1

bacterial (meds needed) and viral

Question 2

meninges are () layers that cover the () and ()

Answer 2

three, brain adn spinal cord

Question 3

three layers

Answer 3

dura mater hard mother
arachnoid mater spider like
pia mater soft mother

Question 4

dura mater aka

Answer 4

pachymeninges

Question 5

ligament that connects the dura mater and pia mater

Answer 5

denticulate lig

Question 6

dura mater is a loose sheath of

Answer 6

dense connective tissue (not purely white cause has blood vessels)

Question 7

dura m covers the () and () and ends at ()

Answer 7

brain and spinal cord and ends at coccyx (also attaches at foramen magnum)

Question 8

what are the folds of dura mater called in the skull

Answer 8

falx cerebri and tentorum cerebelli

Question 9

dural nerve supply

Answer 9

branches of trigeminal (5), vagus (10), C1-3, branches from sympathetic system

Question 10

what make up the leptomeninges (lepto = soft/webby)

Answer 10

arachnoid and pia

Question 11

what is a thin, fibrous transparent membrane that provides cushioning effect for cns

Answer 11

arachnoid mater

Question 12

what mater adheres to the spinal cored

Answer 12

pia

Question 13

outermost space

Answer 13

epidural,

Question 14

where is the epidural space

Answer 14

between periosteum of ventral body anteriorly and vertebral arch posteriorly and teh dura mater (right behind laminectomy)

Question 15

what does the epidural space contain

Answer 15

internal vertbral venous plexus

Question 16

what is the internal vertebral venous plexus

Answer 16

network of veins on inside of lamina

Question 17

where is the subdural space

Answer 17

b/w arachnoid and the dura

Question 18

what does the subdural space contain

Answer 18

serous fluid

Question 19

what does serous fluid do

Answer 19

its theres for buoyancy and protection against hitting bone BUOYANCY MAINLY (also some nutrition and movemtn)

Question 20

where find subarachnoid space

Answer 20

innermost, b/w arachnoid and pia

Question 21

what does subarachnoid space contain

Answer 21

CSF cerebrospinal fluid, dorsal and ventral nerve roots, filum terminale and cauda equina

Question 22

csf is secreted by

Answer 22

choroid plexus located in ventricles in brain

Question 23

csf surrounds what

Answer 23

brain and spinal cord

Question 24

csf function

Answer 24

lubrication

Question 25

total volume of csf

Answer 25

80-150 ml

Question 26

how much csf removed with a spinal tap

Answer 26

50 ml

Question 27

how often replace itself

Answer 27

4-5 times/daily

Question 28

spinal cord is a direct connection of

Answer 28

medulla oblongota of brain

Question 29

spinal cord begins at

Answer 29

foramen magnum oc-c1

Question 30

spinal cord ends at

Answer 30

conus medullaris L2 in adult, l4 in child