Question: what is the difference in the endometrial glands in the proliferative phase and secretory phase?
Answer: Uterine Cycle. The early proliferative phase of the uterine cycle begins at the end of menstrual flow. The uterine glands in this phase are sparse and relatively small, and the epithelial cells develop microvilli and cilia under the influence of estrogen. ... The secretory phase of the uterine cycle begins at ovulation.