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karyogamy

American  
[kar-ee-og-uh-mee] / ˌkær iˈɒg ə mi /

noun

Cell Biology.
  1. the fusion of the nuclei of cells, as in fertilization.


karyogamy British  
/ ˌkærɪˈɒɡəmɪ /

noun

  1. biology the fusion of two gametic nuclei during fertilization

"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

Other Word Forms

Etymology

Origin of karyogamy

First recorded in 1890–95; karyo- + -gamy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

A dikaryotic ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.

From Textbooks Jan. 1, 2015

In each ascus, two or more haploid ascospores fuse their nuclei in karyogamy.

From Textbooks Jan. 1, 2015

A diploid ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.

From Textbooks Jan. 1, 2015

The basidia undergo karyogamy to form a 2n zygote.

From Textbooks Jan. 1, 2015

A haploid zygote that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.

From Textbooks Jan. 1, 2015

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