AskDefine | Define homologous

Dictionary Definition

homologous adj
1 having the same evolutionary origin but serving different functions; "the wing of a bat and the arm of a man are homologous" [ant: analogous, heterologous]
2 corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species; "a homologous tissue graft" [ant: heterologous, autologous]

User Contributed Dictionary




  1. Showing a degree of correspondence or similarity such that it suggests a common origin.
  2. corresponding to a similar structure in another life form with a common evolutionary origin e.g. flippers and hands
  3. belonging to a series of aliphatic organic compounds that differ only by the addition of a CH2 group
  4. having the same morphology as another chromosome
  5. homologous blood donation
  6. That which is or are derived from the same ancestral structure, base or origination.

Derived terms


Extensive Definition

Homology may refer to:
Homologous may refer to:
homologous in German: Homologie
homologous in Modern Greek (1453-): Ομολογία
homologous in French: Homologie
homologous in Hebrew: הומולוגיה
homologous in Dutch: Homologie
homologous in Japanese: 相同性
homologous in Norwegian: Homologi
homologous in Portuguese: Homologia
homologous in Russian: Гомология (значения)
homologous in Serbian: Хомологија (вишезначна одредница)

Synonyms, Antonyms and Related Words

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