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9 Cards in this Set
- Front
- Back
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Pacinian corpuscle: adaptation, receptive field, sensation.
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rapidly adapting, large receptive field, sensitive to deep pressure
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Meissner's corpuscle: adaptation, receptive field, sensation.
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rapidly adapting, small receptive field, sensitive to tapping and flutter.
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Ruffini's endings: adaptation, receptive field, sensation.
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slowly adapting, large receptive field, sensitive to stretch of skin.
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Merkel's Disks: adaptation, receptive field, sensation.
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slowly adapting, small receptive fields, sensitive to sustained pressure.
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what do all processes of dorsal root ganglions release as neurotransmitter?
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glutamate
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what neurotransmitter is involved with lateral inhibition (two-point discrimination)?
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GABA
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what nociceptors are responsible for first sharp pain?
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alpha-gamma. they are semi-free endings of lightly myelinated axons.
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what nociceptors are responsible for second or burning pain?
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C nociceptors. they are free endings of unmyelinated axons.
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what neurotransmitters do nociceptive afferents release in the dorsal horn?
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glutamate and substance P (a peptide)
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