from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Derived from a different species: a heterologous graft.
- adj. Of or relating to cytologic or histological elements not normally occurring in a designated part of the body.
- adj. Immunologically related but not identical. Used of certain cells and antiserums.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having different relationships or different elements
- adj. Of, or relating to different species
- adj. heterologous blood donation
from the GNU version of the Collaborative International Dictionary of English
- adj. Characterized by heterology; consisting of different elements, or of like elements in different proportions; different; -- opposed to homologous.
from The Century Dictionary and Cyclopedia
- Containing or consisting of different elements or combinations; not homologous.
- Specifically In medicine, consisting of a tissue not normally found in that place at that period of life: as, a heterologous tumor.
- In researches in immunity, originating, as cells or serum, from an animal of a species different from the one undergoing immunization: thus, in immunizing a rabbit with the red blood-corpuscles of a goat, the latter are of heterologous origin.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not corresponding in structure or evolutionary origin
- adj. derived from organisms of a different but related species
hetero- + Greek logos, word, relation; see -logy + -ous.(American Heritage® Dictionary of the English Language, Fourth Edition)