Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
The perimetrium is the outermost layer of the uterus, consisting of a thin layer of connective tissue that forms part of the serous membrane lining the pelvic cavity. It provides protection and structural support to the uterus.
The innermost layer of the uterus, which thickens during the menstrual cycle in preparation for potential implantation of an embryo.
Myometrium: The middle layer of the uterine wall, composed mainly of smooth muscle tissue, responsible for uterine contractions during menstruation and childbirth.