epigenesis

play
noun epi·gen·e·sis \ˌe-pə-ˈje-nə-səs\

Definition of epigenesis

  1. 1 :  development of a plant or animal from an egg or spore through a series of processes in which unorganized cell masses differentiate into organs and organ systems; also :  the theory that plant and animal development proceeds in this way — compare preformation 2

  2. 2 :  change in the mineral character of a rock owing to outside influences

Origin and Etymology of epigenesis

borrowed from New Latin (William Harvey), from epi- epi- + genesis genesis


First Known Use: 1798


Medical Dictionary

epigenesis

play
noun epi·gen·e·sis \ˌep-ə-ˈjen-ə-səs\

Medical Definition of epigenesis

plural

epigeneses

\-ˌsēz\play
  1. 1:  development involving gradual diversification and differentiation of an initially undifferentiated entity (as a zygote or spore)—compare preformation

  2. 2:  theory of epigenesis


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