Numerous encapsulated mechanoreceptors {Merkel cell} {Merkel-cell neurite complex} form domes {Iggo-Pinkus dome} visible at skin surfaces. Merkel cells are slow-adapting, have small receptive fields of 100 to 300 micrometers diameter, and are in hairy-skin epidermis-bottom small scattered clusters and in glabrous-skin epidermis rete pegs.
Merkel cells detect continuous pressures and deformations as small as one micrometer. Merkel cells detect 0.4-Hz to 3-Hz low-frequency vibrations. Merkel cells send to myelinated dorsal-root neuron fibers.
Consciousness>Consciousness>Sense>Touch>Anatomy>Receptors
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Date Modified: 2022.0224