Nervous System: Anatomy Class 2 Flashcards

1
Q

What kinds of fibres pass through the corpus callosum ?

A

Commissural Fibres

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2
Q

What are the 4 parts of the corpus callosum ?

A

1: Splenium
2: Body
3: Genu
4: Rostrum

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3
Q

What separates the 2 anterior horns of the lateral ventricles ?

A

Septum Pellicidum

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4
Q

What is the fornix ?

A

The fornix is a bundle of fibres which links the hippocampus with the hypothalamus

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5
Q

What is the bulbous projection on the floor of the lateral ventricle ?

A

Caudate nucleus

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6
Q

List some of the functions of the hypothalamus

A

Temperature control
Appetite
Thirst
Sleep cycle

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7
Q

What does the stalk of the pituitary gland hang from ?

A

The hypothalamus

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8
Q

What does the lentiform nucleus consist of ?

A

The putamen and the globus pallidus

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9
Q

What does the striatum consist of ?

A

Caudate nucleus and the putamen

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10
Q

What is the basal ganglia (nucleus) formed from ?

A

The striatum and the lentiform nucleius

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11
Q

What is the name of the white mater structure which is situated in the infromedial part of each cerebral hemisphere ?

A

The internal capsule

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12
Q

What is the main blood supply to the internal capsule ?

A

Middle cerebral artery

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13
Q

What kinds of fibres connect the cerebral hemispheres with other parts of the brain ?

A

Projection fibres

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14
Q

What kinds of fibres connect regions within the same hemisphere of the brain ?

A

Association fibres

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15
Q

Which group of structures is the substantia nigra a part of, functionally ?

A

The basal ganglia

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16
Q

At what vertebral level does the spinal cord end in adults ?

A

L2/L3

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17
Q

What does a slice of the spinal cord look like in the cervical region ?

A

The body is oval and thick with thin dorsal and ventral horns

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18
Q

What does a slice of the spinal cord look like in the Thoracic region ?

A

Small round body with thin dorsal horns

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19
Q

What does a slice of the spinal cord look like in the Lumbar region ?

A

Round body with large ventral horns

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20
Q

What does a slice of the spinal cord look like in the sacral region ?

A

round body with very large ventral horns

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21
Q

Which aspect of the spinal cord receives sensory nerve fibres ?

A

Dorsal root ganglia

22
Q

From which aspect of the spinal cord do motor nerve fibres project ?

A

Ventral root

23
Q

What is the name of the hole in the middle of the spinal cord and what does it contain ?

A

Central canal and CSF

24
Q

Through which foramen does Cranial Nerve I pass through and which cranial nerve is this ?

A

The olfactory nerve passes through the cribriform plate of the ethmoid bone

25
Q

Through which foramen does Cranial Nerve III pass through and which cranial nerve is this ?

A

Occulomotor nerve passes through the superior orbital fissure

26
Q

Through which foramen does Cranial Nerve II pass through and which cranial nerve is this ?

A

The optic nerve passes through the optic foramen (canal)

27
Q

Through which foramen does Cranial Nerve IV pass through and which cranial nerve is this ?

A

The trochlear nerve passes through the superior orbital fissure

28
Q

Through which foramen does Cranial Nerve V pass through and which cranial nerve is this ?

A

The trigeminal nerve has 3 components to it (V1-3) each going through their own foramen within the skull

29
Q

Through which foramen does Cranial Nerve V1 pass through and which cranial nerve is this ?

A

This is the opthalmic branch of the trigeminal nerve, this pass through the superior orbital fissure

30
Q

Through which foramen does Cranial Nerve V2 pass through and which cranial nerve is this ?

A

This is the maxillary branch of the trigeminal nerve which goes through the foramen rotundum

31
Q

Through which foramen does Cranial Nerve V3 pass through and which cranial nerve is this ?

A

This is the mandibular branch of the trigeminal nerve which goes through foramen ovale within the skull

32
Q

Through which foramen does Cranial Nerve VI pass through and which cranial nerve is this ?

A

This is the abducent nerve which passes through the superior orbital fissure

33
Q

Through which foramen does Cranial Nerve VII pass through and which cranial nerve is this ?

A

This is the facial nerve which pass through the stylomastoid foramen

34
Q

Through which foramen does Cranial Nerve VIII pass through and which cranial nerve is this ?

A

This is the vestibulocochlear nerve which passes through the Internal acoustic meatus

35
Q

Through which foramen does Cranial Nerve IX pass through and which cranial nerve is this ?

A

This is the glossopharyngeal nerve which pass through the jugular foramen

36
Q

Through which foramen does Cranial Nerve X pass through and which cranial nerve is this ?

A

This is the vagus nerve and it exits the skull through the jugular foramen

37
Q

Through which foramen does Cranial Nerve XI pass through and which cranial nerve is this ?

A

This is the accessory nerve which passes through the jugular foramen

38
Q

Through which foramen does Cranial Nerve XII pass through and which cranial nerve is this ?

A

This is the hypoglossal nerve which exits the skull via the hypoglossal canal

39
Q

Cranial nerve I contains what kind of fibres ?

A

Purely special snnsory

40
Q

Cranial nerve II contains what kind of fibres ?

A

Purely special sensory

41
Q

Cranial nerve III contain what kind of fibres ?

A

Purely motor

42
Q

Cranial nerve IV contains what kind of fibres ?

A

Purely motor

43
Q

Cranial nerve V contains what kind of fibres ?

A

Both sensory and motor

44
Q

Cranial nevre VI contains what kind of fibres ?

A

Purely motor

45
Q

Cranial nerve VII contains what kind of fibres ?

A

Both motor and sensory

46
Q

Cranial nerve VIII contains what kind of fibres ?

A

Purely sensory

47
Q

Cranial nerve IX contains what kind of fibres ?

A

Glossopharyngeal nerve contains both sensory and motor

48
Q

Cranial nerve X contains what kind of fibres ?

A

Both motor and sensory

49
Q

Cranial nerve XI contains what kind of fibres ?

A

Purely motor

50
Q

Cranial nerve XII contains what kind of fibres ?

A

Motor fibres only

51
Q

What cranial nerves can transmit parasympathetic fibres ?

A
There are only 4:
Vagus
Glossopharyngeal
Occulomotor
Facial