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单词 prepollex
释义

prepollexn.

Brit. /priːˈpɒlɛks/, U.S. /priˈpɑˌlɛks/
Forms: 1800s praepollex, 1800s– prepollex.
Origin: A borrowing from German. Etymon: German Praepollex.
Etymology: < German Praepollex (K. von Bardeleben 1885, in Sitzungsber. der Jenaischen Ges. f. Med. u. Naturwissensch.: Suppl. zur Zeitschr. f. Naturwissensch. 19 86) < classical Latin prae- pre- prefix + pollex pollex n.
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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n.1889
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