06.The prominent folds of endometrium in this uterus opened to reveal the endometrial cavity are an example of hyperplasia. Cells forming both the endometrial glands and the stroma have increased in number. As a result, the size of the endometrium has increased. This increase is physiologic with a normal menstrual cycle.

06.图示暴露的宫腔内显著折叠的宫内膜，为宫腔内膜增生之例。组成内膜的腺体和基质细胞数目均有所增加,结果宫内膜体积增加。这是伴随正常月经周期的生理性增生。