homologous

English

homologous (comparative more homologous, superlative most homologous)

(biology) Corresponding to a similar structure in another life form with a common evolutionary origin.
- 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, page 4:
  Lobules, homologous in structure, recur again only in the Gondwanalandic families Lepidolaenaceae and Jubulopsidaceae thus in the Lepidolaenineae.
Flippers and hands are homologous structures.
(chemistry) Belonging to a series of aliphatic organic compounds that differ only by the addition of a CH₂ group.
(genetics) Having the same morphology as another chromosome; relating to a homologue.

(biology) For a discussion of the use of the term "homology" (and by association "homologous") in biology, see: Patterson, Colin. "Homology in Classical and Molecular Biology." Molecular Biology and Evolution 5, no. 6 (November 1988): 603–625. http://mbe.oxfordjournals.org/cgi/reprint/5/6/603.pdf (accessed 18 December 2009; archived 18 December 2009, http://www.webcitation.org/5m7rn4rCe )

showing a degree of correspondence

(biology) corresponding to a similar structure in another life form

(chemistry) belonging to a series of aliphatic organic compounds

(genetics) having the same morphology as another chromosome

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