- 1. n. An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted. Source: opted
- 2. n. An opening in the outer coat of a seed, through which the fecundating pollen enters the ovule. Source: opted
- 3. n. minute opening in the wall of an ovule through which the pollen tube enters Source: wordnet
- 4. (a) An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted. (b) An opening in the outer coat of a seed, through which the fecundating pollen enters the ovule. -- Mi*crop"y*lar, a. Source: webster
- 5. n minute opening in the wall of an ovule through which the pollen tube enters Source: ecdict
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micropyle
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openingentersovulepollenassistedcoatentrancefecundatingmembranesminutenutritionouterovumpermittedseedspermatozoasurroundingtubewallcroplar