ontogenesis

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.

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)

But these efforts were so seriously marred by ignorance of comparative anatomy, an imperfect acquaintance with ontogenesis, and a complete neglect of phylogenesis, that they could not have more than a passing success.

From The Evolution of Man — Volume 1 by Haeckel, Ernst Heinrich Philipp August

It is naturally no easy matter to trace the ontogenesis of the herd instinct.

From Group Psychology and The Analysis of The Ego by Freud, Sigmund

"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

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