A variety of conditions in which a person is born with reproductive or sexual anatomy that doesn't seem to fit the typical definition of male or female. These are also called disorders of sexual development (DSD).
The reproductive organs in men and women; testes produce sperm in males and ovaries produce eggs in females.
The period of sexual maturation
The endocrine gland that controls the release of hormones from the gonads
The characteristics associated with sex but not directly related to reproduction, such as vocal pitch, body hair, and location of fat deposits
Secondary sex characteristics
The characteristics and actions associated with being feminine or masculine as defined by the society in which one lives