ANAT 2626 Innervation of the Skin

ANAT 2626 Innervation of the Skin - Stimuli from internal...

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Sensory Unit Stem fiber and all of its endings Receptive field territory from which a sensory unit can be  excited this is not the same as a dermatome !!!
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Dermatome Strip of skin innervated by a single  spinal nerve
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Sensory Transduction The transformation of a stimulus into an  electrical signal.
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Rapidly Adapting Receptors Phasic Respond quickly and maximally Will stop responding even when  stimulus continues
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Slowly Adapting Receptors Tonic Continue to respond to stimulus
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Classification by Source Exteroceptor Stimuli from outside environment Interoceptors
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Unformatted text preview: Stimuli from internal environment Proprioceptors Position sense Classification by Function (modality) Nociceptor pain Thermoceptors Temperature Mechanoceptors physical deformation Receptor Types Free endings Pain, temperature Follicular touch (hair) RA Merkel cell edge detector SA Encapsulated Meissners RA Ruffinis Shearing (drag) SA Pacinian Vibration RA Sensory information from joints, muscle, and skin are integrated in the parietal lobe...
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This note was uploaded on 11/22/2011 for the course ANAT 2626 taught by Professor Ronaldg.mayne during the Winter '11 term at Life Chiropractic College West.

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ANAT 2626 Innervation of the Skin - Stimuli from internal...

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