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micropyle

   Also found in: Medical, Wikipedia, Hutchinson 0.03 sec.
mi·cro·pyle  (mkr-pl)
n.
1. Botany A minute opening in the ovule of a seed plant through which the pollen tube usually enters.
2. Zoology A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.
[micro- + Greek pul, gate.]
micro·pylar adj.
micropyle  (mkr-pl)
1. A minute opening in the ovule of a seed plant through which the pollen tube usually enters.
2. A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.micropylemicropyle - minute opening in the wall of an ovule through which the pollen tube enters
aperture - a natural opening in something
ovule - a small body that contains the female germ cell of a plant; develops into a seed after fertilization


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