| 单词 | homologous |
| 释义 | homologous (once / 20556 pages) adj Something homologous is similar in function to something else. You might say that your dog's hind legs and your legs are homologous, because they have similar structure and function. Homologous comes from the Latin for "agreeing," and has the root homo- in it, which means "same." In biology, homologous either refers to traits that share an origin, and have the same function (like the spine on all vertebrates), or structures that share an evolutionary origin, but have developed different functions. Either way, something is the same about them. You'll also find homologous in math, like when two triangles share a line. WORD FAMILYhomology: homologic, homological, homologies, homologise, homologize, homologous+/homologic: homologically/homologise: homologised, homologises, homologising USAGE EXAMPLESPelvic fins are homologous to tetrapod hindlimbs and primarily serve a role in body trim and subtle swimming manoeuvres during teleost locomotion17, 18, 19. Nature(Dec 13, 2016) Splicing in the donor DNA requires that its ends match, or are “homologous” with, the damaged DNA. Science Magazine(Nov 03, 2016) But the precise definitions of “minimal manipulation” and “homologous use” are controversial. Nature(Sep 06, 2016) 1adj 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 derived from organisms of a different but related species autologousderived from organisms of the selfsame individual 2adj having the same evolutionary origin but not necessarily the same function the wing of a bat and the arm of a man are homologous Syn|Ant homologic, homological similar in evolutionary origin but not in function heterologic, heterological, heterologous not corresponding in structure or evolutionary origin analogouscorresponding in function but not in evolutionary origin |
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