noun Cell Biology.

the fusion of the nuclei of cells, as in fertilization.

Compare plasmogamy.

Origin of karyogamy

First recorded in 1890–95; karyo- + -gamy
Related formskar·y·o·gam·ic [kar-ee-uh-gam-ik] /ˌkær i əˈgæm ɪk/, adjective
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British Dictionary definitions for karyogamy



biology the fusion of two gametic nuclei during fertilization
Derived Formskaryogamic (ˌkærɪəˈɡæmɪk), adjective
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

karyogamy in Medicine




The coming together and fusing of cell nuclei, as in fertilization.
Related formskar′y•o•gamic (-ə-gămĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.