Nervous System Flashcards

1
Q

frontal, temporal & occipital.

A

poles

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2
Q

supero-lateral, medial & inferior.

A

surfaces

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3
Q

supero-medial, infero-lateral &infero-medial

A

borders

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4
Q

frontal, parietal, temporal , occipital & limbic.

A

lobes

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5
Q

separates the frontal lobe anteriorly from the parietal lobe posteriorly.

A

The central sulcus

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6
Q

separates the temporal lobe inferiorly from both frontal &parietal lobes superiorly.

A

The lateral sulcus

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7
Q

limits the occipital lobe posteriorly from the parietal lobe anteriorly.

A

The parieto-occipital sulcus:

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8
Q

consists of dense collections of myelinated fibers

A

White matter

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9
Q

Bundles of nerve fibers (neuron processes)

A

White matter

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10
Q

Bundles of nerve fibers (neuron processes)
running through the CNS are

A

tracts

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11
Q

Bundles of nerve fibers (neuron processes)
running through the PNS are

A

nerves

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12
Q

unmyelinated regions of the CNS (unmyelinated fibers and cell bodies)

A

Gray matter

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13
Q

small collections of cell bodies are found in a few sites outside the CNS in the PNS.

A

Ganglia

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14
Q

located in the parietal lobe posterior to the central sulcus

A

The primary somatic sensory area

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15
Q

allows to recognize pain, differences in temperature, or a light touch

A

The primary somatic sensory area

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16
Q

located in the frontal lobe anterior to the central sulcus,

A

The primary motor area

17
Q

consciously move our skeletal muscles

A

The primary motor area

18
Q

found at the base of the precentral gyrus (the gyrus anterior to the central sulcus)

A

The motor speech area(Broca’s area

19
Q

located at the junction of the temporal, parietal, and occipital lobes,

A

Sensory Speech area

20
Q

allows you to sound out words.

A

Sensory Speech area

21
Q

it acts as a gateway for the cerebral cortex

A

) The Thalamus

22
Q

Relays sensory impulses to cerebral cortex

A

) The Thalamus

23
Q

Relays impulses between cerebral motor cortex
and lower motor centers

A

The Thalamus

24
Q

2 cerebellar hemispheres, connected by

A

median vermis.

25
Q

The midbrain is composed primarily of two bulging fiber tracts

A

the cerebral peduncles

26
Q

midbrain
dorsally located four rounded protrusions called

A

the corpora quadrigemina

27
Q

midbrain
and has a tiny canal

A

cerebral aqueduct

28
Q

layers is attached to the inner surface of the skull

A

periosteal layer)

29
Q

forms the outermost covering of the brain and continues as the dura mater of the spinal cord

A

the meningeal layer

30
Q

separate the cerebellum from the cerebrum

A

tentorium cerebelli

31
Q

forms folds that attaches the brain to the cranial cavity;

A

falx cerebri

32
Q

THE SPINAL CORD

1- Ends inferiorly in tapering end called
2- and from its apex extends the
till the back of 1st coccygeal vertebra.

A

1-Conus medullaris

2-filum terminale,