Epiestriol

Epiestriol

Epiestriol (pronounced: epi-estri-ol) is a steroid and a minor estrogen that is not normally present in significant amounts in the body. It is a metabolite of estradiol, one of the three main estrogens in the human body.

Etymology

The term "Epiestriol" is derived from the Greek word "epi" meaning "upon" or "after", and "estriol", a type of estrogen. The term thus refers to a compound that is formed after the metabolism of estriol.

Related Terms

• Estrogen: A group of hormones that play an important role in the normal sexual and reproductive development in women. The term "estrogen" refers to all of the chemically similar hormones in this group, which are estrone, estradiol (primary in women of reproductive age) and estriol.
• Estradiol: A type of estrogen, the sex hormone that contributes most to typical female sexual characteristics. This hormone also plays a part in the menstrual cycle and reproductive system.
• Steroid: A type of organic compound that has four rings arranged in a specific molecular configuration. Steroids have two principal biological functions: certain steroids (such as cholesterol) are important components of cell membranes which alter membrane fluidity, and many steroids are signaling molecules which activate steroid hormone receptors.

External links

• Medical encyclopedia article on Epiestriol
• Wikipedia's article - Epiestriol

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