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See also: micropile
From French, from Ancient Greek μικρός (mikrós, “small”) + πύλη (púlē, “gate”).
micropyle (plural micropyles)
- (botany) In seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.
- (zoology) The hilum of an ovum at the point of attachment to the ovary; any opening in the coverings of an ovum by which spermatozoa may find entrance.