ontogeny

[on-toj-uh-nee]

noun Biology.

the development or developmental history of an individual organism.

Also on·to·gen·e·sis [on-tuh-jen-uh-sis] /ˌɒn təˈdʒɛn ə sɪs/.
Compare phylogeny.

Origin of ontogeny

First recorded in 1870–75; onto- + -geny
Related formson·to·ge·net·ic [on-tuh-juh-net-ik] /ˌɒn tə dʒəˈnɛt ɪk/, on·to·ge·net·i·cal, on·to·gen·ic, adjectiveon·to·ge·net·i·cal·ly, on·to·gen·i·cal·ly, adverbon·tog·e·nist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ontogeny

Historical Examples of ontogeny

  • But they may also be associated in succession, such as those of hearing and of ontogeny.

  • This denture is nothing else than a phylogenetic incident in the ontogeny of the whale.

  • Their past (ontogeny) and present (pragmatics) are involved in these interactions.

  • This is afforded by comparative anatomy and by the study of ontogeny.

    The Last Link

    Ernst Haeckel

  • Thus, then, in ontogeny the fish goes no further than the fish stages.

    Evolution

    Joseph Le Conte



British Dictionary definitions for ontogeny

ontogeny

ontogenesis (ˌɒntəˈdʒɛnɪsɪs)

noun

the entire sequence of events involved in the development of an individual organismCompare phylogeny
Derived Formsontogenic (ˌɒntəˈdʒɛnɪk) or ontogenetic (ˌɒntədʒɪˈnɛtɪk), adjectiveontogenically or ontogenetically, adverb
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

Word Origin and History for ontogeny
n.

"development of an individual," 1872, from onto- + -geny. Related: Ontogenic; ontogenesis.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for ontogeny

ontogeny

[ŏn-tŏjə-nē]

n.

The origin and development of an individual organism from embryo to adult.ontogenesis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ontogeny

ontogeny

[ŏn-tŏjə-nē]

The origin and development of an individual organism from embryo to adult.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.