companion artery to sciatic nerve
[ kəm-păn′yən ]
An artery with its origin in the inferior gluteal artery, with distribution to the sciatic nerve, and with anastomoses to the branches of the deep artery of the thigh.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.