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Physiology 1 > nervous system > Flashcards

nervous system Flashcards

1
Q

oligodendrocytes

A

makes myelin in CNS

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2
Q

schwann cells

A

makes myelin in PNS

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3
Q

astrocytes

A

support + nutrition in CNS

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4
Q

satellite cells

A

support + nutrition in PNS

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5
Q

ependymal cells

A

makes CSF in CNS

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6
Q

microglia

A

immune/phagocytic cells in CNS

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7
Q

transduction

A

conversion of environmental stimuli to electrical impulses

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8
Q

sensory functions

A

special senses, somatic senses, afferent fibers

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9
Q

motor functions

A

control bodily movement, ANS, efferent fibers, + somatic/visceral muscle

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10
Q

integrative function

A

process incoming information

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11
Q

nucleus

A

a group of nerve cell bodies in CNS

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12
Q

ganglion

A

group of nerve cell bodies in PNS

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13
Q

tract

A

group of axons in CNS

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14
Q

nerve

A

group of axons in PNS

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15
Q

what is the inner covering in the CNS?

A

pia mater

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16
Q

what is the inner covering in the PNS?

A

endoneurium

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17
Q

what is the middle covering in the CNS?

A

arachnoid mater

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18
Q

what is the middle covering in the PNS?

A

perineurium

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19
Q

what is the outer covering in the CNS?

A

dura mater

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20
Q

what is the outer covering in the PNS?

A

epineurium

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21
Q

functional classification of bipolar neurons

A

sensory

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22
Q

functional classification of pseudo-unipolar neurons

A

sensory

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23
Q

functional classification of multipolar neurons

A

motor + interneurons

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24
Q

receptors of pseudo-unipolar neurons

A

nociceptor, proprioceptor, osmoreceptor, baroreceptor, chemoreceptor,etc

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25
Q

nociceptor

A

detects pain

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26
Q

proprioceptor

A

detects body position/spatial awareness

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27
Q

osmorecpetors

A

detect if blood is hyper/hypotonic

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28
Q

barorecptor

A

detects stretch/pressure in a vessel

29
Q

chemoreceptor

A

detects the chemistry of blood (usually)

30
Q

pseudo-unipolar neuron axon

A

central process to axon terminal

31
Q

where do action potential originate in pseudo-unipolar neurons?

A

1st node of ranvier

32
Q

where does summation occur in multipolar neurons?

A

axon hillock

33
Q

multipolar neuron axon

A

carries info AWAY from cell body

34
Q

electrical synapses

A

rapid bidirectional, contain gap junctions

35
Q

chemical synapses

A

one way, synaptic delay, + synaptic fatigue

36
Q

electrical synapses characteristics

A

physical fusions between cells allowing electrical info to transfer

37
Q

chemical synapses characteristics

A

most common. neuron secretes a neurotransmitter to proceed

38
Q

types of chemical synapses

A

axodendritic, axosomatic, axoaxonic, + dendrodenritic

39
Q

axodendritic synapse

A

releases NT. to end of the next cell. MOST COMMON

40
Q

axosomatic synapse

A

releases NT to cell body of next cell. excitatory

41
Q

axoaxonix synapse

A

releases NT to axon of another cell. inhibitory

42
Q

dendro-dendritic synapse

A

dendrite to dendrite NT. RARE

43
Q

CN I foramen

A

cribiform plate

44
Q

CN II foramen

A

optic canal

45
Q

CN III foramen

A

superior orbital fissure

46
Q

CN IV foramen

A

superior oblique

47
Q

CN V1 foramen

A

superior orbital fissure

48
Q

CN V2 foramen

A

foramen rotundum

49
Q

CN V3 foramen

A

foramane ovale

50
Q

CN VI foramen

A

lateral rectus

51
Q

CN VII foramen

A

internal acoustic meatus

52
Q

CN VIII foramen

A

internal acoustic meatus

53
Q

CN IX foramen

A

jugular foramen

54
Q

CN X foramen

A

jugular foramen

55
Q

CN XI foramen

A

jugular foramen

56
Q

CN XII foramen

A

hypoglossal canal

57
Q

somatic senses

A

from the body. tactile/touch sensations, pain, temperature, + proprioception

58
Q

visceral sensations

A

from the organs

59
Q

special senses

A

sight, sound, smell, taste

60
Q

what makes + releases acetylcholine?

A

cholinergic neurons

61
Q

what makes and releases norepinephrine?

A

adrenergic neurons

62
Q

what does norepinephrine bind to?

A

adrenergic receptors

63
Q

what makes + releases gamma-amino-butyric acid (GABA)?

A

GABA-nergic neurons

64
Q

what makes + releases glutamate?

A

glutaminergic neurons

65
Q

what makes + releases serotonin?

A

serotoninergic neurons

66
Q

what makes + releases dopamine?

A

dopaminergic neurons

67
Q

what kind of channel is cholinergic neurons?

A

ligand gated sodium channels

68
Q

what kind of channel is adrenergic neurons?

A

ligand gated sodium channel

69
Q

what kind of channel is GABA-nergic neurons?

A

ligand gated chloride channels

Physiology 1 (8 decks)

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