👉 The term "oestrian" is a combination of two terms, "ovarian" and "estrogens." Oocytes are the mature ovary from which eggs develop. Estrogens are hormones produced by the ovaries that regulate the development of ovarian follicles. In humans, oestrogen plays an important role in female reproductive health. The term is used to describe a group of hormone-producing cells or structures that produce and release estrogen (a type of female sex激素) during menstr
