estradiol

(noun)

a potent estrogenic hormone produced in the ovaries of all vertebrates; the synthetic compound is used medicinally to treat estrogen deficiency and breast cancer

Related Terms

Examples of estradiol in the following topics:

  • Hormonal Regulation of the Reproductive System

    • LH also plays a role in the development of ova, induction of ovulation, and stimulation of estradiol and progesterone production by the ovaries .
    • Estradiol and progesterone are steroid hormones that prepare the body for pregnancy.
    • Estradiol produces secondary sex characteristics in females, while both estradiol and progesterone regulate the menstrual cycle.

  • Lipid-Derived, Amino Acid-Derived, and Peptide Hormones

    • Examples of steroid hormones include estradiol, which is an estrogen, or female sex hormone, and testosterone, which is an androgen, or male sex hormone.
    • The structures shown here represent (a) cholesterol, plus the steroid hormones (b) testosterone and (c) estradiol.

  • Female Hormones

    • LH also plays a role in the development of ova, as well as in the induction of ovulation and stimulation of estradiol and progesterone production by the ovaries.
    • Estradiol and progesterone are steroid hormones that prepare the body for pregnancy.
    • Estradiol is the reproductive hormone in females that assists in endometrial regrowth, ovulation, and calcium absorption; it is also responsible for the secondary sexual characteristics of females.

  • Signaling Molecules

    • Steroid hormones include the female sex hormone, estradiol, which is a type of estrogen; the male sex hormone, testosterone; and cholesterol, which is an important structural component of biological membranes and a precursor of steriod hormones .