Inflammation of a testis (see Male Anatomy).

Fluid-filled sac that develops in the ovary or on its surface. Usually disappears on its own but may rupture and cause pain and complications.

A pair of female sex glands that store and release ova (see ovum) and produce the sex hormones estrogen and progesterone (see Female Anatomy).

The release of an ovum from an ovary.

Reproductive egg cell produced by the ovaries.