单词 | pelvic fin |
释义 | pelvic fin (once / 513884 pages) n WORD FAMILY pelvic fin: pelvic fins USAGE EXAMPLESA gene involved in the development of pelvic fins in other fish and of legs in humans was absent in sea horses. Washington Post(Dec 16, 2016) A gene involved in development of pelvic fins in other fish and legs in humans was absent in seahorses, and they lack these fins. Reuters(Dec 14, 2016) Pelvic fins are indicated with black or white arrowheads in the wild-type fish. Nature(Dec 13, 2016) n either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate Syn|Hyper ventral fin fin organ of locomotion and balance in fishes and some other aquatic animals |
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