Definition of Metagenesis

1. Noun. Alternation of sexual and asexual generations.




Definition of Metagenesis

1. n. The change of form which one animal species undergoes in a series of successively produced individuals, extending from the one developed from the ovum to the final perfected individual. Hence, metagenesis involves the production of sexual individuals by nonsexual means, either directly or through intervening sexless generations. Opposed to monogenesis. See Alternate generation, under Generation.

Definition of Metagenesis

1. Noun. (biology) the production of sexual and asexual organisms in alternate generations ¹

¹ Source: wiktionary.com

Definition of Metagenesis

1. [n -GENESES]

Medical Definition of Metagenesis

1. 1. The change of form which one animal species undergoes in a series of successively produced individuals, extending from the one developed from the ovum to the final perfected individual. Hence, metagenesis involves the production of sexual individuals by nonsexual means, either directly or through intervening sexless generations. Opposed to monogenesis. See Alternate generation, under Generation. 2. Alternation of sexual and asexual or gemmiparous generations; in distinction from heterogamy. Origin: Pref. Meta- + genesis. Source: Websters Dictionary (01 Mar 1998)

Metagenesis Pictures

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Lexicographical Neighbors of Metagenesis

metafile
metafiles
metafilm
metafilms
metafunction
metafunctions
metagalactic
metagalaxies
metagalaxy
metagame
metagames
metagastric
metage
metagene
metageneses
metagenesis (current term)
metagenetic
metagenic
metagenome
metagenomes
metagenomic
metagenomically
metagenomics
metages
metagnathous
metagon
metagrabolised
metagrabolized
metagrammar
metagrammars

Literary usage of Metagenesis

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Analysis of Racial Descent in Animals by Thomas Harrison Montgomery (1906)
"C. metagenesis By discontinuous development we signify, on the other hand, ... We may follow Haeckel (1866) in his original definition of metagenesis as ..."

2. A New Basis for Chemistry: A Chemical Philosophy by Thomas Sterry Hunt (1891)
"... metagenesis or alternate generation, and metamorphosis, are, however, to a certain extent, prefigured in the chemical changes of bodies. ..."

3. A Treatise on Comparative Embryology by Francis Maitland Balfour (1885)
"metagenesis. One of the most remarkable phenomena in connection with the life history of many Ascidians is the occurrence of an alternation of sexual and ..."

4. Elementary Text-book of Zoology by K[arl] Claus, F. G. Heathcote, Carl F. Claus (1884)
"Such a manner of development is known as alternation of generations (metagenesis), and consists of the regular alternation of a sexually differentiated ..."

5. Habit and Intelligence: A Series of Essays on the Laws of Life and Mind by Joseph John Murphy (1879)
"METAMORPHOSIS AND metagenesis. Development is Differentiation.—Organic development essentially consists in differentiation; that is to say ..."

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