prepollex

American  

[pri-pol-eks] / prɪˈpɒl ɛks /

noun

• prepollices
  plural

1. a rudimentary additional digit on the preaxial side of the thumb of certain amphibians and mammals.

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Other Word Forms

Noun Inflected Forms

• prepollices
  plural

Etymology

Origin of prepollex

From New Latin, dating back to 1885–90; see origin at pre-, pollex

Example Sentences

See Examples For:

prepollex prepollices

Breeding males have dark brown nuptial excrescences on the prepollex.

From Neotropical Hylid Frogs, Genus Smilisca by William E. Duellman

Frogs of the genus Plectrohyla closely resemble species in the Hyla bistincta group but differ principally in having a projecting prepollex.

From A Review of the Frogs of the Hyla bistincta Group by William E. Duellman

There are no ventrolateral glands, glandular area on the chin, or enlarged prepollex.

From Descriptions of Two Species of Frogs, Genus Ptychohyla Studies of American Hylid Frogs, V by William E. Duellman

Phyllomedusa is recognized on the basis of a vertical pupil and opposable thumb; Plectrohyla is characterized by the presence of a bony prepollex and the absence of a quadratojugal.

From Neotropical Hylid Frogs, Genus Smilisca by William E. Duellman

Males in the Hyla maxima group have a protruding bony prepollex like that characteristically found in Plectrohyla.

From Neotropical Hylid Frogs, Genus Smilisca by William E. Duellman

All of the species have a noticeable fold on the wrist and enlarged prepollices, bearing horny nuptial excrescences in breeding males.

From A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus by William E. Duellman

The species in this group lack vocal slits and have either large, rectangular, or bifid prepollices.

From Descriptions of New Hylid Frogs From Mexico and Central America by William E. Duellman