Foetal ovarian tissue. Light micrograph of a section through tissue from an ovary from a foetus. The ovary is the reproductive structure


Foetal ovarian tissue. Light micrograph of a section through tissue from an ovary from a foetus. The ovary is the reproductive structure that produces the female sex cells (ova). A woman's supply of ova start developing at the time the ovaries form in the foetus during pregnancy. Development is then arrested and the cells remain in a resting state until hormones prompt further development. This process of ovulation and maturation and release of a single ovum takes place on a roughly monthly cycle following sexual maturity.


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Photo credit: © J. TESTART/ARFIV/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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