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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.


Other Word Forms

Inflected Forms

noun

Etymology

Origin of prepollex

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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 Duellman, William E.

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 Duellman, William E.

A bony prepollex is present in both sexes.

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

In the former the voice was retained, and a projecting prepollex spine developed, whereas in the latter the voice was lost, and the prepollex spine did not project.

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

A broad, flat, ossified prepollex is present but does not project as a spine.

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

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