https://en.wikipedia.org/wiki/Egg_cell
The egg cell, or ovum (plural ova), is the female reproductive cell, or gamete, in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete is not capable of movement (non-motile).If the male gamete is capable of movement, the type of sexual reproduction is also …