noun[mass noun] Biochemistry
A major oestrogen produced in the ovaries.
- In malignancies of the breast, it is the oestrogen hormone, oestradiol that is the key.
- The prominent estrogens in women are estradiol, estrone and estriol.
- Once ovulation takes place, a surge of growth in the luteal cells causes progesterone and some estradiol to be secreted.
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Line breaks: oes¦tra|diol
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