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Anatomy, F Mod > Nervous System: Chapter 12-16 > Flashcards

Nervous System: Chapter 12-16 Flashcards

0
Q

Processing and interpreting sensory input

A

Integration

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1
Q

Gathered information from stimuli

A

Sensory input

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2
Q

Response that activates muscle or glands

A

Motor output

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3
Q

Nerve cells

A

Neurons

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4
Q

Nucleus, metabolic center

A

Cell body

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5
Q

Processes that conduct impulses to cell body

A

Dendrites

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6
Q

Processes that conduct impulses away from cell body

A

Axons

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7
Q

End of axon, release neurotransmitters

A

Axonal terminal

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8
Q

Chemicals released from axonal terminals, stimulate cells

A

Neurotransmitters

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9
Q

Gap between neurons

A

Synaptic cleft

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10
Q

Junction

A

Synapse

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11
Q

Fatty material that protects and insulates

A

Myelin

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12
Q

Myelin that insulates axon

A

Myelin sheath

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13
Q

Surrounds myelin sheath

A

Neurilemma

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14
Q

Gaps in myelin sheath–allows for faster conduction

A

Nodes of Ranvier

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15
Q

Supports, insulates and protects, but do not transmit impulses

A

Neuroglia

16
Q

Abundant, star-shaped; anchor neurons to nutrients and blood supply

A

Astrocytes

17
Q

Spider-like phagocytes; dispose of waste material

A

Microglia

18
Q

Line and circulate cavities filled with fluid in the CNS

A

Ependymal cells

19
Q

Produce myelin sheath-wrap around axon

A

Oligodendrocytes

20
Q

Supporting cells that wrap myelin around axon

A

Schwann cells

21
Q

Protective cushioning cells

A

Satellite cells

22
Q

Brain, spinal cord

A

CNS

23
Q

Spinal nerves, cranial nerves (communication lines)

A

PNS

24
Q

Division of the PNS; impulses from body to CNS

A

Sensory division

25
Q

Division of the PNS; impulses from CNS to body

A

Motor division

26
Q

PNS–>Sensory division–>??; fibers from skin/muscles

A

Somatic sensory fibers

27
Q

PNS–>sensory division–>??; fibers from organs

A

Visceral sensory fibers

28
Q

PNS–>motor division–>??; controls muscles and voluntary reflexes

A

Somatic (voluntary) nervous system

29
Q

PNS–>motor division–>??; controls smooth, cardiac, and glands

A

Autonomic (involuntary) nervous system

30
Q

RNS–>motor division–>autonomic–>??; fight-or-flight

A

Sympathetic

31
Q

RNS–>motor division–>autonomic–>??; resting and digesting (reverses effects of sympathetic)

A

Parasympathetic

Anatomy, F Mod (17 decks)

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