Encapsulated skin mechanoreceptors {Ruffini's endorgan} {Ruffini endorgan} {Ruffini ending} are spindle shaped and 1 mm to 2 mm long, similar to Golgi tendon organs. Ruffini's endorgans are slow-adapting, are in joints and glabrous-skin dermis, and have large receptive fields (SA II), several centimeters diameter in arms and trunk. Ruffini endorgans have densely-branched center nerve endings.
Ruffini endorgans respond to skin slip, stretch, and deformation, with sensitivity less than that of SA I receptors. Ruffini endorgans respond to 100 Hz to 500 Hz. Ruffini endorgans send to myelinated dorsal-root neuron fibers.
Consciousness>Consciousness>Sense>Touch>Anatomy>Receptors
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Date Modified: 2022.0224