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A And P > Sensation And Chemical Senses 3.6 > Flashcards

Sensation And Chemical Senses 3.6 Flashcards

1
Q

Modality

A

Type of stimulus

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2
Q

Thermo…

A

Temp on skin

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3
Q

Photo…

A

Light in retinas

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4
Q

Nociceptors

A

Pain, tissue damage

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5
Q

Chemo…

A

Smell, taste based on chemicals

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6
Q

Mechano

A

Cell membrane distortion, balance, touch, hearing

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7
Q

Osmo

A

Change in conc. Of ECF

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8
Q

General

A

Free nerve endings

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9
Q

Hair movement

A

Root hair plexuses

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10
Q

Light touch (epidermis)

A

Tactile (merkel’s) discs

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11
Q

Light touch (dermis)

A

Tactile (meissner’s) corpuscles

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12
Q

Deep pressure

A

Lamellated (pacinian) corpuscles

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13
Q

Skin distortion

A

Bulbous (Ruffini) corpuscles

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14
Q

Taste buds

A

Epithelium + taste receptors

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15
Q

First order neuron

A

Sensory location -> spinal cord (gray horns)

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16
Q

Second order neuron

A

Gray horn -> thalamus (after crossing over)

17
Q

Third order neuron

A 
Thalamus-> sensory cortex
CNS neuron -> CNS interneuron 
Cross over (left sensory to right hemisphere)
18
Q

Receptor potential

A

Graded depolarization (or hyperpolarization) by stimulus

19
Q

Physic receptors

A

Adapt to a stimulus

Ex. Thermoreceptors and hot tubbing

A And P (7 decks)

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