13.2 Meninges and Brain

Question 1

Identify the dura mater and the following layers

• Periosteal
• Meningeal

Answer 1

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Question 2

Identify the superior sagittal sinus

Answer 2

midline “vein like” structure in dura mater which exports wastes.

Question 3

Identify the arachnoid granulations (villi)

Answer 3

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Question 4

Identify the lateral lacunae

Answer 4

lateral extensions of the superior sagittal sinus.

Question 5

Identify the bridging veins

Answer 5

smaller veins that drain into sagitall sinus.

Question 6

Identify the arachnoid and pia mater

Answer 6

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Question 7

In the anterior cranial fossa, identify:

• Olfactory bulbs
• Olfactory tracts
• Falx cerebri

Answer 7

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Question 8

Identify the tentorium cerebelli

Answer 8

an extension of the dura mater that separates the cerebellum from the inferior portion of the occipital lobes.

Question 9

Identify the diaphragma sella

Answer 9

a flat piece of dura mater (with a circular hole allowing the vertical passage of the pituitary stalk

Question 10

Identify the straight sinus, inter cavernous sinuses, transverse sinus, confluence of sinuses, superior petrosal sinus, and sphenoparietal sinus.

Answer 10

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Question 11

Identify the infundibular stalk

Answer 11

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Question 12

Identify the ophthalmic artery, occulomotor nerve, and trochlear nerve.

Answer 12

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Question 13

Identify the occipital sinus, sigmoid sinus, and inferior petrosal sinus.

Answer 13

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Question 14

Identify and name the 4 main lobes of the brain.

Answer 14

Frontal, Parietal, Temporal, Occipital

Question 15

Identify the central sulcus, lateral sulcus, and longitudinal cerebral fissure.

Answer 15

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Question 16

Identify the pre central gyrus, post central gyrus, and superior temporal gyrus.

Answer 16

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Question 17

Identify the cerebellum, midbrain, pons, and medulla oblongata.

Answer 17

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Question 18

Identify the hypophysis

Answer 18

(pituitary body), often remaining in the sella turcica

Question 19

Identify the vertebral artery. From where does this branch?
Locate the following nearby branches: 
-Anterior spinal artery
-Posterior inferior cerebellar a.
-Anterior inferior cerebellar a.

Answer 19

-Vertebral aa. are a branch of the subclavian aa.

Question 20

Identify the basilar artery. What is this a merging of?
Locate the following nearby branches.
-Pontine aa.
-Superior cerebellar aa.

Answer 20

-Basilar a. is formed from the merging of the two vertebral aa.

Question 21

Identify the posterior cerebral artery.

What does this branch off of?

Answer 21

Basilar a.

Question 22

Identify the posterior communicating artery.

What two aa. does this connect?

Answer 22

Posterior cerebral a and Middle cerebral/internal carotid

Question 23

Identify the middle cerebral artery.

From what a. does this stem?

Answer 23

-Internal carotid artery.

Question 24

Identify the anterior cerebral artery.

From what a. does this branch?

Answer 24

-Internal carotid artery.

Question 25

Identify the anterior communicating artery.

What two arteries does this connect?

Answer 25

-Connects the left and right anterior cerebral arteries.

Question 26

Identify the mammillary bodies

Answer 26

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Question 27

Identify the middle meningeal artery

Where does this exit the skull?

Answer 27

Exits via foramen spinosum.

Question 28

Identify the cavernous sinus and the internal carotid artery and abducens nerve housed within it.

Answer 28

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Question 29

In a sagittal section of the brain, identify the following:

1. Pons
2. Medulla oblongata
3. Cerebellum
4. Parieto-occipital sulcus
5. Corpus callosum
6. Thalamus
7. Hypothalamus
8. Interthalamic adhesion
9. Infundubulum
10. Hypophysis
11. Anterior commissure
12. Ventricular system
    a. Lateral ventricle
    b. Third ventricle
    c. Fourth ventricle
    d. Interventricular foramen
    e. Cerebral aqueduct
    f. Choroid plexus
13. Pineal body

Answer 29

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