17-alpha-hydroxyprogesterone

[-ăl′fə-hī-drŏk′sē-prō-jĕstə-rōn′]
n.
  1. A compound produced by the adrenal glands and often used therapeutically as a progestogen when such a steroid is needed for parenteral administration.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.