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21 Cards in this Set
- Front
- Back
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mechanoreceptors
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detect mechanical stimuli like bending or pressing cells
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thermoreceptors
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detect temperature changes
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photoreceptors
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detect light
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chemoreceptors
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detect chemicals (smell and taste)
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nocioreceptors
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detect pain
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exteroreceptors
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relay information from external environment
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visceroreceptors
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relay information from internal organs
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proprioreceptors
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located in tendons/muscles for information of the body postioning
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free nerve endings
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simple. detect pain, temperature, tickle, itch
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merkels disks
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flattened axon terminal. detects light touch
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hair follifle receptors
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wrapped around hair follicle. detects light touch
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meissner's corpuscles
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in dermal papillae, sense 2 pt discrimination
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ruffini's end organs
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in dermis, sense continuous touch
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pacinian corpuscles
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deep in dermis, sense deeep pressure/ vibration
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golgi tendon organ
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in tendon. sense stretch of tendon
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muscle spindle
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in muscle, detects stretch of muscle
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tonic receptors
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accomodate slowly
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phasic receptors
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accomodate rapidly
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primary receptors
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generate ap when stimulated to threshold
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secondary receptors
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do not generate ap when stimulated release neurotransmitter onto nearby neuron
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basal nuclei
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organize and coordinate muscle movement. damage, can no start a movement, tremmors
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