Introduction Flashcards

(30 cards)

1
Q

The CNS is comprised of?

A

Brain and spinal cord

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2
Q

Name the three regions of the brain.

A

Hindbrain. Midbrain. Forebrain.

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3
Q

The hindbrain is also known as…

A

The rhombencephalon.

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4
Q

The hindbrain can be subdivided into…

A

The medulla oblongata. The pons. The cerebellum.

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5
Q

In embryonic development, what gives rise to the medulla oblongata?

A

The mylencephalon.

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6
Q

In embryonic development, what gives rise to the pons?

A

The metencephalon.

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7
Q

In embryonic development, what gives rise to the cerebellum?

A

The metencephalon.

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8
Q

The midbrain is also known as…

A

The mesencephalon.

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9
Q

The midbrain can be subdivided into…

A

The tectum. The cerebral peduncle.

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10
Q

Describe the location of the tectum.

A

The dectum is dorsal to the cerebral aqueduct.

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11
Q

Describe the location of the cerebral peduncle.

A

The cerebral peduncle is ventral to the cerebral aqueduct.

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12
Q

The tectum is comprised of what two structures?

A

The superior and inferior colliculi.

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13
Q

What is the function of the superior colliculi?

A

Responsible for visual processing and eye movements.

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14
Q

What is the function of the inferior colliculi?

A

Responsible for auditory processing.

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15
Q

The cerebral peduncle is comprised of what two structures?

A

The tegmentum. The crura cerebri.

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16
Q

Describe the location of the tegmentum and crura as part of the cerebral peduncle.

A

The tegmentum occupies the dorsal part of the cerebral peduncle. The crus cerebri occupy the ventral part on each side of the midline.

17
Q

Name the structure that separates the tegmentum and the crura.

A

Substantia nigra.

18
Q

The forebrain is also known as…

A

The prosencephalon.

19
Q

The forebrain can be subdivided into…

A

The diencephalon. The telencephalon.

20
Q

Name the two structures that the diencephalon is comprised of.

A

The thalamus. The hypothalamus.

21
Q

In embryonic development, the diencephalon is derived from…

A

The anterior part of the neural tube.

22
Q

Name the two structures that the telencephalon is comprised of.

A

Cerebral cortex. Basal ganglia.

23
Q

What is the cerebral cortex?

A

An outer layer of laminated grey matter.

24
Q

What is grey matter?

A

Aggregations of neuronal cell bodies and their local processes.

25
What is the basal ganglia?
A collection of nuclei.
26
What is white matter?
Collections of nerve fibres (axons, mostly myelinated, and dendrites) with few or no neuronal cell bodies.
27
What is a neurophil?
Interconnected neuronal processes occupying the space between neuronal cell bodies within the grey matter.
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