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Human Anatomy > Nervous System > Flashcards

Nervous System Flashcards

1
Q

Sensory afferent

A

nerves in the PNS that carry info INTO the brain or spinal cord

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2
Q

Motor efferent

A

nerves that carry info AWAY from the brain and spinal cord

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3
Q

Autonomic nervous system

A

Division of PNS, controls involuntary effector organs

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4
Q

Somatic nervous system

A

Division of PNS, controls voluntary effector organs

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5
Q

Astrocyte

A

CNS. blood brain barrier. Provide strength

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6
Q

Oligodendrocytes

A

CNS. Form the myelin sheath. Insulates axon and increases speed of nerve impulse

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7
Q

Microglia

A

CNS. remove cellular debris, microbes, and damaged nervous tissue

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8
Q

Ependymal cells

A

CNS. Line ventricles of the brain and central canal of spinal cord. Line open spaces. Make and circulate CSF.

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9
Q

Schwann cells

A

PNS. Form myelin sheath around axons.

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10
Q

Satellite cells

A

PNS. surround cell bodies of neurons of PNS ganglia

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11
Q

Ganglia

A

cluster of cell bodies in CNS

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12
Q

Dura mater

A

outermost single layer around the spinal cord

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13
Q

Arachnoid mater

A

Lies deep to the dura mater, middle layer

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14
Q

Pia mater

A

innermost layer

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15
Q

denticulate ligament

A

ligament that is on the sides of the spinal cord that hold it in place

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16
Q

Hypothalamus

A

Looks like an arrow, right about the pituitary gland, where autonomic nerves are controlled

17
Q

Olfactory nerve

A

nerve (I), sensory nerve, gives sense of smell

18
Q

Optic nerve

A

nerve (II), sensory nerve, responsible for vision

19
Q

Oculomotor

A

(III)

20
Q

trochlear

A

(IV)

21
Q

trigeminal

A

(V)

22
Q

abducens

A

(VI)

23
Q

facial

A

(VII)

24
Q

Vestibulocochlear

A

(VIII)

25
Q

Glossopharyngeal

A

(IX)

26
Q

Vagus

A

(X)

27
Q

Accessory

A

(XI)

28
Q

Hypoglossal

A

(XII)

29
Q

Conus medullaris

A

the cone shape at the inferior part of the spine

Human Anatomy (14 decks)

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