| 单词 | prepollex | 
| 释义 | prepollexn. Zoology.   A rudimentary digit found on the inner side of the hand or manus of some mammals, reptiles, and amphibians. Cf. prehallux n. ΘΚΠ the world > animals > animal body > general parts > constituent materials > 			[noun]		 > rudimentary bone prehallux1888 prepollex1889 1889    Athenæum 18 May 635/3  				Prof. Bardeleben [sent a paper] on the præpollex and præhallux of the mammalian skeleton... He also stated that he had discovered vestiges of the præhallux and præpollex in certain Reptilia. 1910    S. Sisson Text-bk. Vet. Anat. 164  				The third bone..is regarded by some authors as the vestige of an additional digit, the prepollex. 1962    Trans. Amer. Philos. Soc. 52 195/1  				There is an extra bone on the radial side of the scaphoid, which is presumably a radial sesamoid..rather than a prepollex. 2004    Molecular Phylogenetics & Evol. 32 938  				Neotropical Hyla species in which males have a greatly enlarged prepollex. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). <  | 
	
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