-
Duchess Mariss Cloma posted an update in the group
Microscopic Photos of Reproductive System Tissue Slides 3 years, 11 months ago The uterus is made up of an external layer of smooth muscle called the myometrium, and an internal layer called the endometrium. The endometrium has three layers: stratum compactum, stratum spongiosum (which make up the stratum functionalis) and stratum basalis.The Stratum compactum and stratum spongialis develop into the stratum functionalis during the first half of the menstrual cycle (proliferative phase). The wall of the uterus changes during the menstrual cycle.