It's the muscle layer of the uterine wall that helps the uterus contract during labor. The endometrium is made up of two layers. Right above the myometrium is the stratum basalis, or basal layer.

Fibroids occur when a single muscle cell in the wall of the uterus multiplies ... subserous (located in the outer wall of the uterus); intramural (found in the muscular layers of the uterine wall); ...

The thick center layer of the uterus is the myometrium, which is made of smooth muscle cells. The outer layer is called the perimetrium or serosa and is made of thin epithelial cells.

Fibroids can grow on the inside or outside of the uterus or between the muscle layers that make up the walls. Most people who experience back pain have fibroids growing on the outside of their uterus.

Abnormal uterine blood flow is a hallmark of hypertensive ... decreased and normalized myogenic tone (the state of muscle tone in living beings that originates from the muscle itself) and blocked ...