| 单词 | pterygopodium | 
| 释义 | > as lemmaspterygopodium   pterygopodium  n.  Brit.  , U.S.   Zoology (now rare) the clasper (clasper n. 1c) of an elasmobranch; a similarly adapted fin in male fishes of the family  Poeciliidae.ΚΠ 1888    Philos. Trans. 1887 		(Royal Soc.)	 B. 178 30  				The fundamental difference between the Selachian pterygopodia and any other type of copulatory organs is plainly indicated by the nerve supply. 1897    T. J. Parker  & W. A. Haswell Text-bk. Zool. II. 157  				In all recent Elasmobranchs the male has, connected with the pelvic fins, a pair of grooved appendages—the claspers or pterygopodia—which subserve copulation. 1993    Jrnl. Exper. Zool. 267 332/1  				The male specimens become externally recognizable by the gradual appearance of their pelvic claspers or pterygopodia. < as lemmas  | 
	
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