abductor muscle of little toe

n.
  1. A muscle with origin from the lateral and the medial processes of the calcanean tuberosity, with insertion to the lateral side of the proximal phalanx of the fifth toe, with nerve supply from the lateral plantar nerve, and whose action abducts and flexes the little toe.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.