Pain nerve ending — Free Physiology Illustration | GPAI | GPAI

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Pain nerve ending — Free Physiology Illustration | GPAI | GPAI

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Pain nerve ending

Pain nerve ending

Physiology

Pain nerve ending

A simple unencapsulated sensory nerve ending for pain sensation, shown as a narrow pale yellow or cream axon that loses any sheath distally and divides into fine delicate arborizing branches. The terminal branches are thin, bare, and twig-like, ending in small pointed or slightly bulb-like tips, with an overall fragile unmyelinated appearance.

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