Meninges

Question 1

Enumerate layers of meninges

Answer 1

Dura
Arachnoid
Pia

Question 2

Characters of dura

Answer 2

Strong
Dense fibrous
Cover the brain and SC

Question 3

Types of dura

Answer 3

Cranial

Spinal

Question 4

Layers of cranial dura matter

Answer 4

Endosteal (Outer)

Meningeal (Inner)

Question 5

…………. Cranial dura matter is …………. with spinal dura matter

Answer 5

Endosteal | Not continues

Question 6

………….. layer of cranial dura matter provides …………… for cranial nerves and fuse with the ……………

Answer 6

Meningeal | tubular sheath | epineurium

Question 7

Enumerate the dural folds

Answer 7

Falx cerebri
Falx cerebelli
Tentorium cerebelli
Diaphragma sellae
Cavum trigeminale

Question 8

Nerve supply of cranial dura matter above the tentorium

Answer 8

Branches of trigeminal nerve

Question 9

Nerve supply of cranial dura matter below tentorium cerebelli

Answer 9

Vagus
Glossopharyngeal
First three cervical spinal nerves
Sympathatic system

Question 10

Which is the most important artery for the meninges

Answer 10

Middle meningeal artery

Question 11

MMA arises from

Answer 11

1st part of maxillary artery

Question 12

MMA inter the skull through

Answer 12

Foramen spinosum

Question 13

Characters of cranial arachnoid matter

Answer 13

Delicate
Avascular
Impremeable

Question 14

Content of cranial subdural space

Answer 14

Film of serous fluid

Question 15

Content of cranial subarachnoid space

Answer 15

Cerebrospinal fluid

Cerebral arteries and veins

Question 16

Characters of cranial pia matter

Answer 16

Vascular
Impermeable
Dips

Question 17

Content of cranial epidural space

Answer 17

Meningeal arteries and veins

Question 18

Large subarachnoid spaces are called

Answer 18

Cisterns

Question 19

Characters of spinal dura matter

Answer 19

Single layer

Ends at S2

Question 20

Characters of spinal arachnoid matter

Answer 20

More delicate
Attached posteriorly to dura
Ends at S2

Question 21

Ligaments of spinal pia matter

Answer 21

Filum terminale

Denticulate ligament

Question 22

Content of spinal epidural space

Answer 22

Loose fatty tissue

Internal vertebral venous plexus

Question 23

Content of subdural space

Answer 23

Thin film of serous fluid

Question 24

Content of spinal subarachnoid space

Answer 24

Cerebrospinal fluid
Anterior spinal artery
Posterior spinal artery
Corresponding spinal veins

Question 25

Def. of lumber cistern

Answer 25

Sac of subarachnoid space filled with CSF without spinal cord

Question 26

Extension of lumber cistern

Answer 26

L2 To S2

Question 27

Content of lumber cistern

Answer 27

CSF Cauda equina Filum terminale

Question 28

Site of falx cerebri

Answer 28

Median longitudinal fissure

Question 29

Attachment of falx cerebri

Answer 29

Apex > Frontal crest and crista gali Base > Tentorium cerebelli Upper border > Sutural ligament of sagittal suture Lower border > Free

Question 30

Sinus content of falx cerebri

Answer 30

Superior sagittal sinus Inferior sagittal sinus Straight sinus

Question 31

Attachment of the free border of tentorium cerebelli

Answer 31

Anterior Clinoid process

Question 32

Attachment of the attached border of tentorium cerebelli

Answer 32

Posterior clinoid process Upper border of petrous bone Groove for transverse sinus

Question 33

Sinus content of tentorium cerebelli

Answer 33

Superior petrosal sinus Transverse sinus Straight sinus

Question 34

Nerves related to the decussation of tentorium cerebelli

Answer 34

Oculomotor > Anterior Trochlear > At the point Trigeminal > Posterior