Answer: micropyles

AnswerCrossword Clue
micropylesMICROPYLE, a micropore in ovum for spermatozoon; a minute pollen opening in a plant ovule
micropylesA small opening in the egg of a fish, insect, etc., through which spermatozoa can enter
micropylesA small opening in the surface of an ovule, through which the pollen tube penetrates, often visible as a small pore in the ripe seed