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PHYL 1512 > Nervous System > Flashcards

Nervous System Flashcards

(73 cards)

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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
Thoracic spinal nerves
T1-12 - motor : back/torso, sympathetic smooth/cardiac muscles
26
Lumbar spinal nerves
L1-5 - motor : pelvis, lower limbs
27
Sacral spinal nerves
S1-5 - motor : lower limbs, parasympathetic (bladder and reproduction)
28
Cervical enlargement
lots of nerves going into arms
29
lumbar enlargement
lots of nerves going to legs
30
conus medullaris
looks like a cone
31
cauda equina
"horse tail"
32
filum terminale
one nerve from the conus medullaris going to the bottom in the middle of all the nerves
33
Meninges
Pia mater, arachnoid mater, dura mater
34
anterior rami
sensory and motor to anterior skin of trunk, muscles and structures of upper/lower limbs
35
posterior rami
sensory and motor to never fibres of vertebral column, muscles and skin of back
36
Endoneurium
covers myelin sheath of a single nerve
37
perineurium
covers a bundle of nerves
38
epineurium
covers a bundle of fascicles
39
cervical plexus
C1-4 - head, neck, shoulders, diaphragm
40
brachial plexus
C5-T1 - chest, upper body
41
lumbar plexus
L1-4 - back, abdomen, groin, anterior thighs, knees
42
sacral plexus
L4-S4 - pelvis, buttocks, genitals, posterior thighs, calves, feet
43
Dermatomes
area of skin supplied by spinal nerves
44
myotomes
skeletal muscle innervated by nerves
45
telencephalon
cerebrum
46
diencephalon
epithalamus, thalamus, hypothalamus
47
mesencephalon
midbrain
48
mesencephalon
cerebellum, pons
49
myencephalon
medulla oblongata
50
cerebrum
memory, thought, reasoning
51
central/lateral sulcus
valley between lobes (upside down T)
52
median longitudinal fissure
deep groove that separates 2 hemispheres
53
pre central gyrus
instructions generated and sent out
54
postcentral gyrus
sensory information interpreted
55
epithalamus
pineal gland (melatonin)
56
thalamus
relay station
57
hypothalamus
mood, thirst, hunger, temperature, pituitary gland (hormones)
58
substantia nigra
motor planning, eye movement, reward-seeking, learning, addiction, dopamine (sleep, alertness, motivation)
59
cerebellum
balance, where your body is in space
60
pons
regulates breathing, sensory hearing, equilibrium, taste, facial sensations, eye movements
61
medulla oblongata
autonomic system, ventilation, heart rate, blood pressure, swallowing, vomiting, coughing
62
CN1
olfactory, nose
63
CN2
optic, eyes
64
CN3
oculomotor, eye movement
65
CN4
trochlear, eyes
66
CN5
trigeminal, face (bite, chew)
67
CN6
abducens, eye movement
68
CN7
facial expressions
68
CN8
vestibulocochlear, ear, hearing, balance
69
CN9
glossopharyngeal, throat, swallow
70
CN10
vagus, throat, thorax, cough
71
CN11
accessory, trapezius, shrug shoulders
72
CN12
hypoglossal, tongue movement

PHYL 1512 (4 decks)

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