The sex chromosome combination that typically results in male development in humans and other mammals

The sex chromosome that contains the SRY gene, crucial for male sex determination. Smaller than the X chromosome

A gene on the Y chromosome that initiates the development of testes in a fetus

The male gonads; produce sperm and testosterone

The primary male sex hormone; responsible for the development and maintenance of male secondary sexual characteristics

Physical characteristics that develop during puberty in males, including increased muscle mass, facial and body hair, deeper voice, etc.

The process of sperm production in the testes

The male gamete (sex cell); carries half the genetic material needed for fertilization

A group of steroid hormones that promote the development and maintenance of male characteristics. Testosterone is the primary androgen.

A genetic condition in males characterized by the presence of an extra X chromosome (XXY)

A genetic condition in males characterized by the presence of an extra Y chromosome (XYY)

A gland in the male reproductive system that produces fluid that nourishes and protects sperm

Glands that produce a fluid that makes up a significant portion of semen

The fluid containing sperm and other secretions that is ejaculated during sexual intercourse

The process of expelling semen from the penis

The male external sexual organ; involved in urination and sexual intercourse

The pouch of skin that contains the testes; helps regulate testicular temperature

The system of organs responsible for producing sperm and delivering it to the female reproductive system

A condition where the body's cells are unresponsive to androgens, leading to the development of female external genitalia despite having XY chromosomes

A condition characterized by the failure of the testes to produce sufficient testosterone