Lexic.us

Definition of Heterology

1. Noun. (biology) the lack of correspondence of apparently similar body parts.

Definition of Heterology

1. n. The absence of correspondence, or relation, in type of structure; lack of analogy between parts, owing to their being composed of different elements, or of like elements in different proportions; variation in structure from the normal form; -- opposed to homology.

Definition of Heterology

1. Noun. A lack of correspondence between parts that reflect a difference in origin ¹

¹ Source: wiktionary.com

Medical Definition of Heterology

1. 1. The absence of correspondence, or relation, in type of structure; lack of analogy between parts, owing to their being composed of different elements, or of like elements in different proportions; variation in structure from the normal form; opposed to homology. 2. The connection or relation of bodies which have partial identity of composition, but different characteristics and properties; the relation existing between derivatives of the same substance, or of the analogous members of different series; as, ethane, ethyl alcohol, acetic aldehyde, and acetic acid are in heterology with each other, though each in at the same time a member of a distinct homologous series. Cf. Homology. Origin: Hetero-. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Heterology

Literary usage of Heterology

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

1. Cellular pathology: As Based Upon Physiological and Pathological Histology by Rudolf Ludwig Karl Virchow, Frank Chance (1860)
"Apparent heterology of tubercle, colloid, &c. Difference of form and nature : Colloid, Epithelioma, Papillary tumour, Tubercle. ..."

2. An Introduction to Pathology and Morbid Anatomy by Thomas Henry Green, Hubert Montague Murray (1895)
"heterology, however, is not limited to the production of a tissue which ... It is heterology in this sense that is so characteristic of malignant growths. ..."

3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1865)
"In the next lecture upon homology and heterology, in the domain of tumours, the author establishes the fact that a tumour cannot exist in the body as an ..."

4. The Origin of the Fittest: Essays on Evolution by Edward Drinker Cope (1886)
"This heterology \a what Swainson and others called "analogy" as ... Of heterology* This relation will be exhibited by a few examples from groups known to ..."

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