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reproductive system

The organs that make eggs or sperm and sex hormones, and that allow a pregnancy to begin and grow.

ree-pruh-DUK-tiv SIS-tum noun

What it means

In females it includes the ovaries, fallopian tubes, uterus, cervix, vagina and external genitals; the breasts are linked to it. In males it includes the testes, the ducts that carry sperm, the prostate and other glands, and the penis. Hormones from the brain and from the ovaries or testes control how it works.

At a glance

Spanishaparato reproductor
Also writtenreproductive systems, reproductive-system

Related terms

fertility

The ability to become pregnant or to cause a pregnancy.

androgen

A male sex hormone, such as testosterone, or a drug that acts like one.

luteinizing hormone

A hormone from the pituitary gland that triggers ovulation in women and testosterone production in men.

endometrium

The inner lining of the uterus, which thickens each month and is shed as the menstrual period if no pregnancy begins.

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