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Medical Term:


Pronunciation: bī′ō-jen′ĕ-sis


  1. Term given by Huxley to the principle that life originates from preexisting life only and never from nonliving material.
  2. The principle that a living organism can only originate from a living organism similar to itself.

See: spontaneous generation, recapitulation theory

Synonym(s): biosynthesis

[bio- + G. genesis, origin]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.