adjective Anatomy, Zoology.
pertaining to or situated behind the axis of the body, especially the posterior side of the axis of a limb.
Origin of postaxial
Related formspost·ax·i·al·ly, adverb
First recorded in 1870–75; post-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for postaxial
Historical Examples of postaxial
The biserial archipterygium consists of a segmented axial rod, bearing a praeaxial and a postaxial series of jointed rays.
The proximal part of the postaxial surface also bears a small outgrowth.
Each limb then has a dorsal surface, a ventral surface, an anterior or pre-axial edge, and a posterior or postaxial edge.
In the anterior limb the radius and the pollex are pre-axial, the ulna and the fifth finger are postaxial.
In the posterior limb the tibia and the hallux are pre-axial, the fibula and the fifth toe are postaxial.
British Dictionary definitions for postaxial
situated or occurring behind the axis of the body
of or relating to the posterior part of a vertebrate limb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Posterior to the axis of the body or to the axis of a limb in the anatomical position.
Of or being the portion of a limb bud lying caudal to the axis of the limb.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.