a specific type of nerve fiber ending whereby the fiber is wrapped around muscle fiber near the center of the muscle spindles. These endings maximally discharge when a muscle begins to stretch and then slows down its rate of discharge. Also known as a primary sensory ending. See also flower-spray ending.

ANNULOSPIRAL ENDING: "An annulospiral ending is found near the center of muscle spindles."
Cite this page: N., Pam M.S., "ANNULOSPIRAL ENDING," in, April 7, 2013, (accessed October 26, 2020).