[ pŏs′tə-rō-mē′dē-ən ]
In back and in the central line.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for posteromedian
One specimen has a posteromedian spine on the median digital ossification (Fig. 16).The Baculum in Microtine Rodents|Sydney Anderson
Thus, in those species the posteromedian portion of the sphenethmoid is obscured, and the lateral margins are partly exposed.