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.

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 ...

A number of factors can play a role in some couples' inability to conceive. In men, most issues are associated with vitality ...

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 ...

If an egg is waiting, they might fertilise it and when that happens, the cells begin to divide and multiply ... ova, singular: ovum). These are present from birth. To make female sex hormones ...