In contrast, each egg cell, or ovum, is relatively large and non-motile. During fertilization, a spermatozoon and ovum unite to form a new diploid organism.

In humans, an immature egg cell, or oocyte, develops into a mature ovum. Other forms of life use a similar process to produce their own offspring. However, aside from their life-creating ...

The female gamete is called an ovum or egg. The plural is ova. Ova are produced from germline cells in the ovaries. Ovaries contain immature ova at various stages of development. Each ova is ...

The FSH causes the maturation of the follicles in the ovaries -- each follicle consists of an egg (ovum) surrounded by cells that produce estrogen. Days 6 - 10 One dominant follicle develops that ...

Humans began in the womb as a fertilised egg cell or ovum called a zygote. One single cell. And that means that those hundreds of different cell types all come from the division of that original cell.