micropyle
Pronunciation:
/ˈmaɪ.kɹəʊˌpaɪl//ˈmaɪ.kɹoʊˌpaɪl/noun
Definitions
In seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.
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.