Endometriosis is a chronic disease characterized by the presence and growth of endometrial glands and stroma outside of the uterine cavity. The pathogenesis is unclear. but a common theory attributes the condition to retrograde menstruation into the peritoneal cavity via the fallopian tubes. Hormonal influence causes these ectopic tissues to undergo cyclical bleeding. https://www.fitnessgravesyardes.shop/product-category/clutch-bearing/