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[aw-tog-uh-mee] /ɔˈtɒg ə mi/
Botany. pollination of the ovules of a flower by its own pollen; self-fertilization (opposed to allogamy).
Biology. conjugation in an individual organism by division of its nucleus into two parts that in turn reunite to form a zygote.
Origin of autogamy
First recorded in 1875-80; auto-1 + -gamy
Related forms
autogamous, autogamic
[aw-toh-gam-ik] /ˌɔ toʊˈgæm ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for autogamy


self-fertilization in flowering plants
a type of sexual reproduction, occurring in some protozoans, in which the uniting gametes are derived from the same cell
Derived Forms
autogamous, autogamic (ˌɔːtəˈɡæmɪk) 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
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autogamy in Medicine

autogamy au·tog·a·my (ô-tŏg'ə-mē)
Self-fertilization in which fission of the cell nucleus occurs without complete cellular division forming two pronuclei so that reunite to form the synkaryon.

au·tog'a·mous adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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autogamy in Science
  1. See self-fertilization.

  2. The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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