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anagenesis

American  
[an-uh-jen-uh-sis] / ˌæn əˈdʒɛn ə sɪs /

noun

  1. Biology. the progressive evolution of a species.

  2. Physiology. the regeneration of tissue.

Other Word Forms

  • anagenetic adjective
  • anagenetical adjective

Etymology

Origin of anagenesis

From New Latin, dating back to 1875–80; ana-, genesis

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.

Notes: *For example, the hominin species Australopithecus afarensis was believed to have speciated via anagenesis from Australopithecus anamensis.

From Science Daily • Apr. 17, 2024

A new tyrannosaur with evidence with evidence for anagenesis and crocodile-like facial sensory system.

From Scientific American • Jul. 23, 2017

One of the most notable naturalists of our time has insisted on the opposition of two orders of phenomena observed in living tissues, anagenesis and katagenesis.

From Creative Evolution by Mitchell, Arthur

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.