- Biology. of different origin; pertaining to heterology.
- Medicine/Medical, Pathology. consisting of dissimilar tissue, as that of another species or that of a tumor.
- Immunology. pertaining to an antigen that elicits a reaction in a nonspecific antibody.
Origin of heterologous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heterologous
Historical Examples of heterologous
A suppurative change of this nature takes place in all heterologous new formations.
Homologous reactions are arbitrarily valued as 100 per cent, and heterologous reactions are expressed accordingly.Myology and Serology of the Avian Family Fringillidae
William B. Stallcup
- pathol of, relating to, or designating cells or tissues not normally present in a particular part of the body
- (esp of parts of an organism or of different organisms) differing in structure or origin
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
- Of or relating to cytologic or histological elements not normally occurring in a designated part of the body.
- Derived from a different species, as a graft or transplant.
- Immunologically related but not identical. Used of certain cells and antiserums.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Derived or transplanted from a different species or source.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.