Lexic.us

Definition of Heterogenesis

1. Noun. The alternation of two or more different forms in the life cycle of a plant or animal.

Definition of Heterogenesis

1. n. Spontaneous generation, so called.

Definition of Heterogenesis

1. Noun. (biology) Abnormal organic development. ¹

2. Noun. (biology) The birth of a living being from a parent of a different kind; having two different forms in the life cycle. ¹

¹ Source: wiktionary.com

Medical Definition of Heterogenesis

1. 1. Spontaneous generation, so called. 2. That method of reproduction in which the successive generations differ from each other, the parent organism producing offspring different in habit and structure from itself, the original form, however, reappearing after one or more generations; opposed to homogenesis, or gamogenesis. Origin: Hetero- + genesis. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Heterogenesis

Literary usage of Heterogenesis

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

1. The Beginnings of Life: Being Some Account of the Nature, Modes of Origin by H. Charlton Bastian (1872)
"Meaning of heterogenesis. Views of Aristotle and others. ... Conditions favourable to the Occurrence of Analytic heterogenesis. ..."

2. Darwinism To-day: A Discussion of Present-day Scientific Criticism of the by Vernon Lyman Kellogg (1907)
"heterogenesis.—Under the name heterogenesis we have to consider a theory of species-forming which is more popularly and widely known under another name, ..."

3. The Science of Human Behavior: Biological and Psychological Foundations by Maurice Parmelee (1913)
"heterogenesis By heterogenesis it is meant that organic evolution and the origin of species have resulted from occasional, sudden, ..."

4. The Analysis of Racial Descent in Animals by Thomas Harrison Montgomery (1906)
"E. heterogenesis The third kind of discontinuous ontogenetic cycle is heter- ogenesis. This is a succession of sexual generations in such manner that ..."

5. Report of the Annual Meeting (1901)
"heterogenesis, mutation, and spontaneous variation are all words for the same meaning, but the interesting fart about them is that they seem to form at ..."

6. Bacteria by Antoine Magnin, George Miller Sternberg (1884)
"heterogenesis. — Since the experiments of Pou- chet and of his pupils, and the arguments ... the last facts invoked in favor of heterogenesis are due to MM. ..."

7. The Contemporary Review (1874)
"So that concerning the present occurrence of heterogenesis we may say, (1), that it follows as an almost necessary consequence from the physical doctrines ..."

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