LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Oestradiol hormone molecule. Computer model showing the structure of the female sex hormone oestradiol. Atoms are colour-coded - carbon: dark grey, hydrogen: light grey, and oxygen: red. Oestradiol is one of three naturally- occurring oestrogens, a class of hormones that are associated with the development of the female reproductive organs and secondary sex characteristics. It is secreted in the ovaries and maintains female fertility up until the menopause. It can also be used in hormone replacement therapy to treat some clinical symptoms of the menopause.
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