phylembryogenesis

noun

A theory put forth by Russian palaeontologist Severtsov, postulating that phylogenetic changes in organisms are conditioned by ontogenetic alterations, in that certain events are added, modified or deleted in the development of an embryo based on the events of ancestral development.

Scrabble 33

Meanings

nounphylembryogenesis (uncountable)
  1. uncountableA theory put forth by Russian palaeontologist Severtsov, postulating that phylogenetic changes in organisms are conditioned by ontogenetic alterations, in that certain events are added, modified or deleted in the development of an embryo based on the events of ancestral development.
Cite this entry
APA

phylembryogenesis. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/phylembryogenesis

MLA

“phylembryogenesis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phylembryogenesis. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “phylembryogenesis,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/phylembryogenesis.

Source: phylembryogenesis on Wiktionary, CC BY-SA 4.0.