autogamy

[aw-tog-uh-mee]

noun

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 formsau·tog·a·mous, au·to·gam·ic

[aw-toh-gam-ik] /ˌɔ toʊˈgæm ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for autogamy

Historical Examples of autogamy

I wish that I had used some such terms as autogamy, xenogamy, etc..
More Letters of Charles Darwin Volume II
Charles Darwin
One-division meiosis and autogamy without cell division in Urinympha.
The Biotic Associations of Cockroaches
Louis M. Roth
Meiosis in Rhynchonympha in one cytoplasmic and two nuclear divisions followed by autogamy.
The Biotic Associations of Cockroaches
Louis M. Roth
Meiosis in Barbulanympha following fertilization, autogamy, and endomitosis.
The Biotic Associations of Cockroaches
Louis M. Roth

British Dictionary definitions for autogamy

autogamy

noun

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 Formsautogamous or 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

autogamy in Medicine

autogamy

[ô-tŏg′ə-mē]

n.

Self-fertilization in which fission of the cell nucleus occurs without complete cellular division, forming two pronuclei that reunite to form the synkaryon.

Related formsau•tog′a•mous adj.

autogamy in Science

autogamy

[ô-tŏg′ə-mē]

See self-fertilization.

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