Definitions

from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. See zona pellucida.

Etymologies

oo- + Greek lemma, husk; see lemma2.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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  • ~Plasma membrane of the oocyte.
    ~Origin: G. Oon, egg, + lemma, sheath

    January 18, 2009