Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.


alternation in regular sequence of asexual and sexual methods of reproduction in the same species, as in certain fungi. Called also alternation of generations and heterogenesis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.