anulospiral ending

an·u·lo·spi·ral end·'ing

one of two types of sensory nerve ending associated with a neuromuscular spindle (the other being the flower-spray ending); after entering the muscle spindle, the fiber divides into two flat, ribbonlike branches that wind themselves in rings or spirals about the intrafusal muscle fibers.
Synonym(s): anulospiral organ
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