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prepollex

American  
[pri-pol-eks] / prɪˈpɒl ɛks /

noun

plural

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


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.

A bony prepollex is present in both sexes.

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

Other hylids sympatric with Ptychohyla spinipollex include three species of Plectrohyla, each of which has a bony prepollex, heavy body, and rugose skin on the dorsum.

From A Review of the Middle American Tree Frogs of the Genus Ptychohyla by Duellman, William E.

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 Duellman, William E.

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

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