Gestational trophoblastic disease, light micrograph

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Light micrograph of a section of human tissue showing gestational trophoblastic disease (GTD). This is a group of rare diseases in which abnormal trophoblastic cells grow inside the uterus after conception. In GTD, a tumour develops inside the uterus from tissue that forms after conception (the joining of sperm and egg). The most common types of gestational trophoblastic disease occur when a sperm cell fertilises and empty egg cell or when two sperm cells fertilise a normal egg cell. The risk of this disease is higher in older women.

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Photo credit: © NIGEL DOWNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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