Meaning of micropyle

mi•cro•pyle

Pronunciation: (mī'kru-pīl"), [key]
— n.
  1. any minute opening in an ovum through which a spermatozoon can enter, as in many insects.
  2. the minute orifice or opening in the integuments of an ovule. See diag. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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