Thus, skin is superficial to the muscle layer.

Two muscle layers - the middle layers that propel food from the stomach into the small intestine.

Cysts often form from the fluid that spreads between the muscle layers.

Cancer may have spread to the muscle layer of the colon wall.

Corrects previous information; external muscle layer circular, internal longitudinal.

These benign tumors, which form in the muscle layer of the uterus, account for a third of all hysterectomies.

The core muscles are deep muscle layers that lie close to the spine and provide structural support.

The edges are sewn together to shorten, and therefore tighten, the muscle layer.

He hammered on my back with both fists, but I had a lot of muscle layer to protect back there.

In some species the cords lie within the skin, but in most they are deeper, inside the muscle layers.