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PHYL 1512 > Nervous System > Flashcards

Nervous System Flashcards

1
Q

afferent divison

A

sensory information

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2
Q

efferent division

A

motor information

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3
Q

somatic nervous system

A

voluntary

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4
Q

autonomic nervous system

A

involuntary

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5
Q

parasympathetic division

A

rest and digest

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6
Q

sympathetic division

A

fight or flight

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7
Q

enteric nervous system

A

2nd brain

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8
Q

white matter

A

myelinated axons

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9
Q

grey matter

A

cell bodies and interneurons

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10
Q

ganglia

A

mass of neuron cell bodies outside the CNS

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11
Q

nuclei

A

cluster of cell bodies in CNS

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12
Q

Nociceptors

A

pain

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13
Q

SAME

A

sensory afferent motor efferent

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14
Q

DAVE

A

dorsal afferent ventral efferent

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15
Q

dendrites

A

take information in

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16
Q

Schwann cells

A

protect the axon and help the signal travel faster

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17
Q

axon terminals

A

give off information

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18
Q

Satellite cells

A

health of neurotransmitters (Sat per neuro)

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19
Q

Schwann cells

A

Myelin sheath (Schwan my pns)

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20
Q

Oligodendrocytes

A

myelin sheath in CNS (Oh leggo my cen)

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21
Q

Astrocytes

A

Astro cent - clean protect heal

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22
Q

Microglia

A

cleans (Microglia-cen clean)

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23
Q

Ependymal cells

A

CSF (Epen cen csf)

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24
Q

Cervical spinal nerves

A

C1-8 - sensory and motor : neck and upper arms

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25
Q

Thoracic spinal nerves

A

T1-12 - motor : back/torso, sympathetic smooth/cardiac muscles

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26
Q

Lumbar spinal nerves

A

L1-5 - motor : pelvis, lower limbs

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27
Q

Sacral spinal nerves

A

S1-5 - motor : lower limbs, parasympathetic (bladder and reproduction)

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28
Q

Cervical enlargement

A

lots of nerves going into arms

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29
Q

lumbar enlargement

A

lots of nerves going to legs

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30
Q

conus medullaris

A

looks like a cone

31
Q

cauda equina

A

“horse tail”

32
Q

filum terminale

A

one nerve from the conus medullaris going to the bottom in the middle of all the nerves

33
Q

Meninges

A

Pia mater, arachnoid mater, dura mater

34
Q

anterior rami

A

sensory and motor to anterior skin of trunk, muscles and structures of upper/lower limbs

35
Q

posterior rami

A

sensory and motor to never fibres of vertebral column, muscles and skin of back

36
Q

Endoneurium

A

covers myelin sheath of a single nerve

37
Q

perineurium

A

covers a bundle of nerves

38
Q

epineurium

A

covers a bundle of fascicles

39
Q

cervical plexus

A

C1-4 - head, neck, shoulders, diaphragm

40
Q

brachial plexus

A

C5-T1 - chest, upper body

41
Q

lumbar plexus

A

L1-4 - back, abdomen, groin, anterior thighs, knees

42
Q

sacral plexus

A

L4-S4 - pelvis, buttocks, genitals, posterior thighs, calves, feet

43
Q

Dermatomes

A

area of skin supplied by spinal nerves

44
Q

myotomes

A

skeletal muscle innervated by nerves

45
Q

telencephalon

A

cerebrum

46
Q

diencephalon

A

epithalamus, thalamus, hypothalamus

47
Q

mesencephalon

A

midbrain

48
Q

mesencephalon

A

cerebellum, pons

49
Q

myencephalon

A

medulla oblongata

50
Q

cerebrum

A

memory, thought, reasoning

51
Q

central/lateral sulcus

A

valley between lobes (upside down T)

52
Q

median longitudinal fissure

A

deep groove that separates 2 hemispheres

53
Q

pre central gyrus

A

instructions generated and sent out

54
Q

postcentral gyrus

A

sensory information interpreted

55
Q

epithalamus

A

pineal gland (melatonin)

56
Q

thalamus

A

relay station

57
Q

hypothalamus

A

mood, thirst, hunger, temperature, pituitary gland (hormones)

58
Q

substantia nigra

A

motor planning, eye movement, reward-seeking, learning, addiction, dopamine (sleep, alertness, motivation)

59
Q

cerebellum

A

balance, where your body is in space

60
Q

pons

A

regulates breathing, sensory hearing, equilibrium, taste, facial sensations, eye movements

61
Q

medulla oblongata

A

autonomic system, ventilation, heart rate, blood pressure, swallowing, vomiting, coughing

62
Q

CN1

A

olfactory, nose

63
Q

CN2

A

optic, eyes

64
Q

CN3

A

oculomotor, eye movement

65
Q

CN4

A

trochlear, eyes

66
Q

CN5

A

trigeminal, face (bite, chew)

67
Q

CN6

A

abducens, eye movement

68
Q

CN7

A

facial expressions

68
Q

CN8

A

vestibulocochlear, ear, hearing, balance

69
Q

CN9

A

glossopharyngeal, throat, swallow

70
Q

CN10

A

vagus, throat, thorax, cough

71
Q

CN11

A

accessory, trapezius, shrug shoulders

72
Q

CN12

A

hypoglossal, tongue movement

PHYL 1512 (4 decks)

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