BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Endometrial hyperplasia. Light micrograph of a section through tissue from the endometrium, in a case of endometrial hyperplasia. The endometrium is the uterus lining. Uterine hyperplasia is a reaction in the endometrium to excessive or uncoordinated ovarian hormone production. The result is that surface epithelial cells proliferate in both size and number.
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