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Homologous   Listen
adjective
Homologous  adj.  Having the same relative position, proportion, value, or structure. Especially:
(a)
(Geom.) Corresponding in relative position and proportion. "In similar polygons, the corresponding sides, angles, diagonals, etc., are homologous."
(b)
(Alg.) Having the same relative proportion or value, as the two antecedents or the two consequents of a proportion.
(c)
(Chem.) Characterized by homology; belonging to the same type or series; corresponding in composition and properties. See Homology, 3.
(d)
(Biol.) 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 stimulus. (Physiol.) See under Stimulus.






Collaborative International Dictionary of English 0.48








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"Homologous" Quotes from Famous Books



... physiologists admit that the swim-bladder is homologous or "ideally similar" in position and structure with the lungs of the higher vertebrate animals; hence there seems to me to be no great difficulty in believing that natural selection has actually converted ...
— Famous Reviews • Editor: R. Brimley Johnson

... whether he could bear To think his kind allied To all those brutal forms which were In structure Pithecoid; Whether he thought the apes and us Homologous in form; He said, "Homo and Pithecus Came ...
— The Book of Humorous Verse • Various

... with large heads, long necks, narrow chests, and long flanks; but these blemishes were removed by judicious crosses and selection. The long smooth wool was also correlated with smooth horns; and as horns and hair are homologous structures, we can understand the meaning of this correlation. If the Mauchamp and ancon breeds had originated a century or two ago, we should have had no record of their birth; and many a naturalist would no doubt have insisted, especially in the case of the Mauchamp ...
— The Variation of Animals and Plants under Domestication - Volume I • Charles Darwin



Words linked to "Homologous" :   biological science, heterologous, analogous, homology, biology, autologous



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