Senses Flashcards

(32 cards)

1
Q

General senses

A

senses that have receptors all over the body

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2
Q

Somatic senses

A

provide information about the body and environment

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3
Q

Visceral senses

A

provide information about the organs

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4
Q

Special senses

A

sense that have specialized structures and are in specific places in the body

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5
Q

Mechanoreceptors

A

respond to mechanical stimuli

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6
Q

Chemoreceptors

A

respond to chemicals

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7
Q

Photoreceptors

A

respond to light

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8
Q

Nociceptors

A

respond to pain

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9
Q

General senses

A

touch, pressure, pain,temperature, vibration, itch, and proprioception

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10
Q

Free nerve endings

A

receptors for the general senses

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11
Q

Touch receptors

A

free nerve endings enclosed by capsules

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12
Q

Merkel disks

A

superficial nerve endings that detect light touch and pressure

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13
Q

hair follicle receptors

A

body hair receptors that respond to light touch

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14
Q

Meissner corpuscles

A

touch recpetors

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15
Q

Ruffini corpuscles

A

deeper tactile receptors and continous pressure

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16
Q

Pacinian corpuscles

A

deepest touch receptors of the tendons and joints also vibrations and body possition

17
Q

Righting relfex

A

keeps our body upright

18
Q

Superficial pain

A

receptors are localized

19
Q

Deep pain

A

not localized receptors

20
Q

Referred pain

A

pain that is felt in a different part of the body then where it is actually coming from

21
Q

Olfactory anatomy

A

Olfactory neuron dendrites have cilia that odorants can attach to. A signal is sent from the neuron to the olfactory bulb then to the brain

22
Q

Neural pathway for olfaction

A

Olfactory axons > olfactory bulb > interneurons > olfactory tracts > olfactory cortex in temporal and frontal lobes

23
Q

Prolonged odorant exposure effects

A

Feedback loop stops sending signal

24
Q

Taste buds

A

structures on the tongue’s papillae, pharynx, palate, and epiglottis that contain sensory receptors for tastes

25
Types of taste
sour, salty, bitter, sweet and umami
26
Taste bud anatomy
Taste pairs extend from the taste pore and connect to a taste cell. When activated the taste cell sends a signal down a nerve to the thalamus then the temporal lobe
27
Accessory Structures of the eye purpose
lubricate, protect and move eye
28
Eye accessory structures
eyebrows, eyelids, conjunctiva, lacrimal apparatus, and extrinsic eye muscles
29
Conjunctiva
mucous membrane covering the inner eyelids and the surface of the eye
30
Lacrimal apparatus
a gland in the the corner of the eye that produces tears
31
nasolacrimal duct
duct that leads from the lacrimal sac to the nasal cavity
32
Fibrous tunic
the outer layer of the eye made of sclera that attaches the eye to the muscles and the cornea that allows light in.