The gap in the integuments through which the pollen tube enters to deliver sperm to the egg is called the micropyle.

Males will bite through the exoskeleton and deliver sperm to the organs without performing the somersault seen in males mating with adult females.

The male uses his modified anal fin, or gonopodium, to deliver sperm to the female.

The male is equipped with a gonopodium-like anal fin known as an andropodium that delivers sperm into the female.

"This is going to be important," said the center's founder, Dr. Richard V. Grazi, as the screen showed a pipette piercing an egg to deliver sperm.

An intromittent organ is a general term for an external organ of a male organism that is specialized to deliver sperm during copulation.

In males, the anal fin is shaped into a grooved, rod-shaped organ called a gonopodium used to deliver sperm to females.