Definition of homologous Homologous

/hɑmɑˈlʌgʌs/ - [hamalugus] - ho•mol•o•gous

We found 10 definitions of homologous from 5 different sources.

What does homologous mean?

Adjective
homologous - having the same evolutionary origin but not necessarily the same function; "the wing of a bat and the arm of a man are homologous"
		analogous corresponding in function but not in evolutionary origin; "the wings of a bee and those of a hummingbird are analogous"
		heterologic, heterological, heterologous derived from organisms of a different but related species; "a heterologous graft"
		biological science, biology the science that studies living organisms
homologous - corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species; "a homologous tissue graft"
		heterologous derived from organisms of a different but related species; "a heterologous graft"

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homologous (a.)
Having the same relative position, proportion, value, or structure.
homologous (a.)
Corresponding in relative position and proportion.
homologous (a.)
Having the same relative proportion or value, as the two antecedents or the two consequents of a proportion.
homologous (a.)
Characterized by homology; belonging to the same type or series; corresponding in composition and properties. See Homology, 3.
homologous (a.)
Being of the same typical structure; having like relations to a fundamental type to structure; as, those bones in the hand of man and the fore foot of a horse are homologous that correspond in their structural relations, that is, in their relations to the type structure of the fore limb in vertebrates.

homologous
From the same source, or having the same evolutionary function or structure. (source: FAO)

homologous
hō-mol′o-gus, adj. agreeing: corresponding in relative position, proportion, value, or structure.—adj. Homolog′ical.—v.t. and v.i. Homol′ogise.—ns. Hom′ologue, that which is homologous to something else, as the same organ in different animals under its various forms and functions; Homol′ogy, the quality of being homologous: affinity of structure, and not of form or use. [Gr. homologos—homos, the same, legein, to say.]