Biology. the lack of correspondence of apparently similar organic structures as the result of unlike origins of constituent parts.
Pathology. abnormality; structural difference from a type or normal standard.

Origin of heterology

First recorded in 1850–55; hetero- + -logy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heterology

Historical Examples of heterology

heterology in Medicine




Lack of correspondence between bodily parts, as in structure or development, arising from differences in origin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.