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Estriol (E3), also spelled oestriol, is a steroid, a weak estrogen, and a minor female sex hormone. [1] [2] It is one of three major endogenous estrogens, the others being estradiol and estrone. [1] Levels of estriol in women who are not pregnant are almost undetectable. [3]
The metabolic clearance rate of a steroid is defined as the volume of blood that has been completely cleared of the hormone per unit time. The production rate of a steroid hormone refers to entry into the blood of the compound from all possible sources, including secretion from glands and conversion of prohormones into the steroid of interest ...
Back in Spain, she managed the Steroids Division of the "Gregorio Marañón Institute", which was created after the death of the Spanish physician, scientist and philosopher. In 1963 she was a founding member of the Spanish Society for Biochemistry. In 1983 she moved to the new Cajal Institute (CSIC) where she remained until her retirement in 1989.
Estriol (E3), sold under the brand name Ovestin among others, is an estrogen medication and naturally occurring steroid hormone which is used in menopausal hormone therapy. [12] [4] [6] [13] It is also used in veterinary medicine as Incurin to treat urinary incontinence due to estrogen deficiency in dogs.
A variety of synthetic steroids and sterols have also been contrived. Most are steroids, but some nonsteroidal molecules can interact with the steroid receptors because of a similarity of shape. Some synthetic steroids are weaker or stronger than the natural steroids whose receptors they activate. [8] Some examples of synthetic steroid hormones:
Spanish fly technically refers to two things: a type of green blister beetle (Lytta vesicatoria from the family Meloidae) and a toxic blistering agent the beetles produce called cantharidin.
List of steroidogenesis inhibitors – steroidogenesis inhibitors, or inhibitors of steroid biosynthesis and metabolism; As well as lists of steroid esters, including: List of androgen esters – androgen esters; List of estrogen esters – estrogen esters; List of progestogen esters – progestogen esters; List of corticosteroid esters ...
Estradiol (E2) is a medication and naturally occurring steroid hormone. [11] [12] [13] It is an estrogen and is used mainly in menopausal hormone therapy and to treat low sex hormone levels in women.