homologousとは

意味・読み方・使い方

語源

From 1655, in the mathematical sense.^[1] See also homolog, homologue. (This etymology is missing または incomplete. Please add to it, または discuss it at the 語源 scriptorium.)

形容詞

homologous (comparative more homologous, superlative most homologous)

1. Showing a degree of correspondence or similarity.
   1. (mathematics) In corresponding proportion.
      • 1655, Thomas Stanley, The History of Philosophy, Volume 1, page 18,

        Of equiangle triangles, the sides that are about equall angles are proportionall, and the ſides that ſubtend the equall angles are homologous.

   2. (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.

   3. (chemistry) Belonging to a series of aliphatic organic compounds that differ only by the addition of a CH₂ group.
   4. (genetics) Having the same morphology as another chromosome; relating to a homologue.

使用する際の注意点

• (biology) For a discussion of the use of the term "homology" (かつ 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 )

反意語

• heterologous

派生語

関連する語

• homolog/homologue
• homologize
• homology
• autologous

参照