Organized into
(1) Mucosa (endometrium)
(2) Muscula Layer (myometrium)
(3) Serosa (perimetrium)
Mucosa (endometrium)
(1) Epithelium - Simple columnar epithelium (with ciliated & secretory cells)
(2) Lamina propria - very thick endometrial stroma
(3) Endometrial (uterine) glands develop as invaginations of the luminal epithelium and almost to the myometrium
Endometrium is divided into two layers,
Stratum functionalis (functional layer) - lines the uterine cavity and sloughs off during menstruation
Stratum basalis (basal layer) - is permanent and gives rise to a new stratum functionalist after menstruation
Muscular Layer( Myometrium)
3 layers of smooth muscle inner longitudinal, middle circular, outer longitudinal.
During labor and childbirth, coordinated contraction of the myometrium in response to oxytocin from posterior pituitary help expel the fetus from uterus
Serosa or ( Perimetrium )
part of visceral peritoneum;c/o simple squamous epithelium
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