The union of male and female gametes during the process of sexual reproduction to form a zygote (see figure below).
A sperm at the moment of entering an ovum to fertilize it.
See Acrosome, Gametes, Spermatogonia, Spermatoza, Zygote
The union of male and female gametes during the process of sexual reproduction to form a zygote (see figure below).
A sperm at the moment of entering an ovum to fertilize it.
See Acrosome, Gametes, Spermatogonia, Spermatoza, Zygote