homologous

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English

Pronunciation

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Adjective

homologous (comparative more homologous, superlative most homologous)

1. Showing a degree of correspondence or similarity.

1. (biology) Corresponding to a similar structure in another life form with a common evolutionary origin.
   • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, 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.

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

Usage notes

• (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 )

Antonyms

• heterologous

Derived terms

Derived terms

• cohomologous
• homologisation
• homologous blood donation
• homologously
• homologous pair

• homologous recombination
• homologous series
• microhomologous
• nonhomologous

Related terms

• homologue
• homologize
• homology
• autologous

Translations

showing a degree of correspondence

• Bulgarian: съответен (bg) (sǎotveten)
• Finnish: samankaltainen (fi)
• French: homologue (fr) m, f
• German: homolog (de)
• Greek: ομόλογος (el) m (omólogos)

• Irish: ^{(please verify)} homalógach
• Portuguese: homólogo (pt)
• Romanian: omolog (ro) m
• Spanish: homólogo (es)

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

• Bulgarian: хомоложен (homoložen)
• Finnish: homologinen
• French: homologue (fr) m, f
• German: homolog (de)

• Greek: ομόλογος (el) m (omólogos)
• Portuguese: homólogo (pt)
• Spanish: homólogo (es)

(chemistry) belonging to a series of aliphatic organic compounds

• Bulgarian: хомоложен (homoložen)
• Finnish: homologinen
• French: homologue (fr) m, f

• German: homolog (de)
• Portuguese: homólogo (pt) m
• Spanish: homólogo (es)

(genetics) having the same morphology as another chromosome

• Czech: homologní
• Finnish: homologinen
• French: homologue (fr) m, f
• German: homolog (de)

• Greek: ομόλογος (el) m (omólogos)
• Portuguese: homólogo (pt) m
• Spanish: homólogo (es)