15 to 30 eggs mature per menstrual cycle inside fluid-filled sacs called follicles. As they mature, the eggs are supported by specialized cells within the follicle, known as cumulus cells. However, ...

This is a fluid-filled sac which surrounds it and releases hormones. Each ovary is connected to the uterus by an oviduct (fallopian tube). The oviduct is lined with ciliated cells. Every month ...