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Neuroscience 2 > Sensory > Flashcards

Sensory Flashcards

1
Q

Free nerve endings

A

temp, pain, crude touch

small or large receptor field
epidermis

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2
Q

Meissner corpuscles

A

light touch

small field
epidermis

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3
Q

merkel cells

A

light touch

small field
epidermis

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4
Q

ruffini endings

A

vibration, pressure
stretching of skin

large field
dermis

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5
Q

pacinian corpuscles

A

vibration, pressure

large field
subdermal

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6
Q

Proprioceptors

A

muscle spindles
GTO
joint receptors

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7
Q

A alpha axon

A

proprioceptor
largest diameter
myelinated

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8
Q

A beta axon

A

superficial touch deep touch vibration
medium diameter
myelinated

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9
Q

A delta axon

A

pain temp (cool) itch
small diameter
myelinated

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10
Q

C axon

A

pain temp (hot) itch

small diameter
not myelinated

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11
Q

VPL

A

somatosensory (spinal cord) to primary sensory cortex

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12
Q

VPM

A

somatosensory (CN) to primary sensory cortex

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13
Q

LGN

A

vision to primary visual cortex

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14
Q

MGN

A

auditory to primary auditory cortex

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15
Q

VL

A

cerebellum and BG to PriM, PreM and SMC

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16
Q

VA

A

Cerebellum and BG to PriM, PreM, and SMC, frontal lobe

17
Q

MD

A

Limbic, BG to frontal cortex

18
Q

AN

A

mamillary body, hippocampus to cingulate gyrus

19
Q

Medial lemniscal path

A

convey proprioception, vibration and discriminative touch

20
Q

anterolateral path

A

spinothalamic
spinoreticular
spinomesenephalic

21
Q

spinothalamic

A

discrimination of pain tmep and crude touch

22
Q

spinoreticular

A

arousal and congnitive emotion of pain

23
Q

spinomesenephalic

A

pain mod

24
Q

dorsal column carry what

A

light touch proprioception, vibration, descriminitive touch

25
Q

anterolateral column carry what

A

pain, temp, pressure, crude touch

26
Q

CN 1 pathways projections

A

ipsi and contra to limbic system

Neuroscience 2 (7 decks)

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