Proprioceptors and its types |sensory receptor

Proprioceptors are internal sense organs that respond to mechanically induced alternations caused by compression, stretching, bending, or tension. Proprioceptors are commonly called "stretch receptors".


These receptors give animal information about the movement of its body parts and their positions relative to each other. Proprioceptors are common in arthropods. They are present in appendage joints and body extensor muscles. Sensory neurons are present in proprioceptors. They are attached with some part of the body that is stretched. These parts may be specialized muscle cells, elastic connective-tissue fibers, or several membranes. As these structures alter shape, sensory nerve endings of the attached nerves distort. It originate a generator potential.

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