GENERAL HISTOLOGY

Detailed explanation-1: -Tunica muscularis endows the digestive tube with an ability to be motile. In most of the digestive tube, this tunic consists of two thick layers of smooth muscle.

Detailed explanation-2: -In the stomach, muscularis mucosa is composed of two thin layers of smooth muscles arranged as inner circular and outer longitudinal layer. The muscularis externa is three layered thick as outer longitudinal, middle circular and inner oblique layer and are oriented more randomly than layered [2].

Detailed explanation-3: -The gastric muscularis externa, also known as tunica muscularis, is the smooth muscle located deep to the submucosa. It is made up of 3 layers: inner oblique, middle circular and outer longitudinal.

Detailed explanation-4: -Layers of Stomach Wall Layers of the stomach wall, among others, include serosa, muscularis, submucosa, mucosa. The three layers of smooth muscle consist of the outer longitudinal, the middle circular, and the inner oblique muscles.