FINALS- Meninges

Question 0

Meningeal layers of the brain

Answer 0

Dura
Arachnoid
Pia

Question 1

Covers the brain and the spinal cord

Answer 1

Meninges

Question 2

2 layers of dura mater

Answer 2

Endosteal or periosteal

Meningeal or dura mater proper

Question 3

Periosteum covering the inner surface of the skull bones does not extend through the foramen magnum

Answer 3

Endosteal layer

Question 4

Dense strong fibrous membrane covering the brain continuous through the foramen magnum w the dura mater of spinal cord

Answer 4

Meningeal layer

Question 5

4 septa or foldings of dura mater

Answer 5

Falx cerebri
Falx cerebelli
Tentorium cerebelli
Diaphragma sellae

Question 6

Divides the cranial cavity into freely communicating spaces lodging the subdivisions of the brain

Answer 6

4 septa

Question 7

Restricts the rotary displacement of the brain

Answer 7

4 foldings or septa

Question 8

Sickle shaped fold bet 2 cerebral hemispheres

Answer 8

Falx cerebri

Question 9

Falx cerebri is attached in front to the (2)

Answer 9

Internal frontal crest

Crista galli

Question 10

Runs in the upper fixed margin of falx cerebri

Superior to falx cerebri

Answer 10

Sup sagittal sinus

Question 11

Runs in the lower concave free margin of falx cerebri

Answer 11

Inferior sagittal sinus

Question 12

Runs bet falx cerebri and tentorium cerebelli

Answer 12

Straight sinus

Question 13

Crescent shaped fold of dura mater that roofs over the posterior cranial fossa

Answer 13

Tentorium cerebelli

Question 14

Fold bet cerebellum and cerebrum

Answer 14

T. Cerebelli

Question 15

Covers the upper surface of the cerebellum and supports the occipital lobes of the cerebral hemispheres

Answer 15

T. Cerebelli

Question 16

Gap or space that allows formation and passage of the brainstem

Answer 16

Tentorial notch

Question 17

Tentorial notch produces 2 borders

Answer 17

Inner free border

Outer attached or fixed border

Question 18

Small, sickle shape fold in the dura mater

Attached to the internal occ crest and projects forward bet 2 cerebellar hemispheres

Answer 18

Falx cerebelli

Question 19

The post fixed margin of falx cerebelli contains what sinus

Answer 19

Occ sinus

Question 20

Small, CIRCULAR fold of dura mater

Answer 20

Diaphragma sellae

Question 21

Diaphragma sellae forms the roof for the

Answer 21

Sella turcica

Question 22

Nerve supply of the DURA MATER

Answer 22

Branches of the:
Trigeminal
Vagus
First 3 Cev nerves
Branches from the sympa system

Question 23

Everytime there is STETCHING of the meninges, it will result to

Answer 23

Headache

Question 24

Example of headache, pain in shoulder and neck area

Answer 24

Tension headache

Question 25

Main arterial supply of the dura mater | Commonly damaged in head injuries

Answer 25

Middle meningeal artery

Question 26

6 arterial supply of dura mater

Answer 26

``` ICA Max Ascending pharyngeal Occ Vertebral Middle meningeal ```

Question 27

Starts at the meningeal veins and drains to sinuses

Answer 27

Venous drainage

Question 28

Venous drainage

Answer 28

Meningeal veins

Question 29

Meningeal veins drains into the

Answer 29

Pterygoid venous plexus or the | Sphenoparietal sinus

Question 30

Delicate impermeable membrane covering the brain between DURA and PIA

Answer 30

Arachnoid mater

Question 31

IMPERMEABLE | - for protection. Foreign matls cant pass. May help stop blood from going to the brain when there is bleeding

Answer 31

Arachnoid mater is impermeable

Question 32

AM is separated from the: Dura- Pia-

Answer 32

Subdural | Subarachnoid space

Question 33

Space for the passage of csf

Answer 33

Subarachnoid space

Question 34

Will help provide framework - limits movt of brain in AM

Answer 34

Arachnoid villi | Arachnoid granulation

Question 35

Projects into the venous sinuses Most numerous in sup sag sinus SERVES AS SITES WHERE THE CSF DIFFUSES INTO THE BLOOD STREAM

Answer 35

Arachnoid villi

Question 36

Aggregations of arachnoid villi which are conneed to the pia mater across the fluid filled subarach space by delicate strands of fibrous tissue

Answer 36

Arachnoid granulations

Question 37

A. Granulation is aka

Answer 37

Pacchionian bodies

Question 38

Vascular membrane that closely invests the brain Covers the gyri Descends into the deepest sulci

Answer 38

Pia mater

Question 39

Pia mater forms a specialized tissue which forms the CSF

Answer 39

Tela choroidea

Question 40

Pia mater forms _ of the roof of the 3rd and 4th ventricles of the brain

Answer 40

Tela choroidea

Question 41

Pia mater fuses with _ to form the _ in the lat 3rd and 4th ventricles

Answer 41

Fuses with ependyma | To form choroid plexus

Question 42

Serves as cushion for the brain and provide overall conditions of CNS

Answer 42

Csf

Question 43

Csf is produced by the

Answer 43

Choroid plexus

Question 44

Spinal subarachnoid space extends down as far as the

Answer 44

2nd sacral vertebra

Question 45

Master endocrine gland

Answer 45

Pituitary gland

Question 46

Pituitary gland aka

Answer 46

Hypophysis cerebri

Question 47

Small oval structure attached to the undersurface of the brain by the infundibulum

Answer 47

Pituitary gland

Question 48

Pituitary gland is protected by the

Answer 48

Sella turcica of the sphenoid

Question 49

Structure that stabilizes pituitary gland

Answer 49

Diaphragma sellae

Question 50

2 lobes of pituitary gland

Answer 50

Ant lobe or adenohypophysis | Post lobe or neurohypophysis

Question 51

Blood supply of hypophysis

Answer 51

Sup and inf hypophyseal arteries (branches of ica)

Question 52

Venous drainage of hypophysis

Answer 52

Intercavernous sinuses