Estrogen

Definition

Estrogen is a category of sex hormones responsible for the development and regulation of the female reproductive system and secondary sexual characteristics. It is synthesized mainly in ovaries and, in lesser amounts, in the adrenal glands and fat tissues.

Related terms

Lipids: Organic compounds that are fatty acids or derivatives of them; they are insoluble in water but soluble in organic solvents.

Hormones: Chemical substances produced in the body that regulate and control the activity of certain cells or organs.

Ovaries: Female reproductive organs that produce eggs (ova) and sex hormones including estrogen and progesterone.