phylembryogenesis

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

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

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