- a variation of ontogeny.
ontogenesis
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Or, briefly stated, ontogenesis, or the embryonic development of the individual, is a brief recapitulation of phylogenesis, or the ancestral development of the phylum or group.
From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason
Why does he not labour at that hitherto quite unworked-out branch, physiogenesis, at the history of the evolution of functions, at the ontogenesis and phylogenesis of vital processes?
From Freedom in Science and Teaching. from the German of Ernst Haeckel by Huxley, Thomas Henry
"We also believe," he added, growing bolder, "in the fundamental, biogenetic law that ontogenesis is an abridged repetition of philogenesis."
From Tillie, a Mennonite Maid; a Story of the Pennsylvania Dutch by Martin, Helen Reimensnyder
This exceedingly important larval form, the "gastrula," makes its appearance in the ontogenesis of all tribes of animals.
From Was Man Created? by Mott, Henry A. (Henry Augustus)
Haeckel demonstrates the parallelism between ontogenesis and philogenesis—between the successive forms in the evolution of the embryo and the successive forms of the individual in the evolution of a race.
From The Mechanism of Life by Leduc, Stéphane
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
