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Foundations Of Biopsychology > UNIT 5 > Flashcards

UNIT 5 Flashcards

1
Q

central nervous system

A

division of nervous system located within skull and spine

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2
Q

peripheral nervous system

A

division of nervous system outside skull and spine

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3
Q

somatic nervous system

A

part of PNS, interacts with external environment

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4
Q

autonomic nervous system

A

regulates body’s internal environment

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5
Q

sympathetic nerve

A

-neurons project synapse at distance from target organs
-mobilize energy
-changes indicate excitement

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6
Q

parasympathetic nerves

A

neuron project synapse near target organs
-conserve energy
-changes indicate relaxation

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7
Q

channel proteins

A

certain molecules can go through

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8
Q

signal proteins

A

transfer signal to inside of neuron when molecule binds

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9
Q

interneurons

A

neurons with short or no axon

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10
Q

nuclei

A

group of cell bodies in CNS

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11
Q

ganglia

A

group of cell bodies in PNS

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12
Q

tracts

A

bundles of axons in CNS

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13
Q

nerves

A

bundles of axons in PNS

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14
Q

oligodendrocytes

A

glia cells with extensions that wrap around axons in CNS

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15
Q

Schwann cells

A

cells with axonal regeneration in PNS

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16
Q

microglia

A

cells smaller than the other, when there is injury they multiply

17
Q

astrocytes

A

largest glia cells

18
Q

anterograde

A

path of axons from cell body away

19
Q

retrogarde

A

path of axons to cell body

20
Q

anterior-posterior axis

A

horizontal axis

21
Q

dorsal-ventral axis

A

vertical axis

22
Q

media-lateral axis

A

media inside neck // lateral outside neck

23
Q

optic chiasm

A

point at which optic nerves from each eye come together

24
Q

contralateral fibres

A

intersecting fibres

25
Q

ipsilateral fibres

A

nonintersecting fibres

26
Q

cytokine

A

chemical messenger that evokes proliferation of other cells

27
Q

hormone

A

chemical messenger released into blood stream that affects function of cell

28
Q

neurohormone

A

hormone produced by neuron

29
Q

neuropeptide

A

peptide hormone produced by neuron

30
Q

neurosteroid

A

steroid hormone produced by neuron

31
Q

neuromodulator

A

hormone that changes response of a neuron

32
Q

neurotransmitter

A

chemical messenger that acts across neural synapse

Foundations Of Biopsychology (5 decks)

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