Digestive System; it includes oral cavity (lip, cheek, tongue, teeth, soft palate, hard palate), pharynx, oesophagus, stomach, small and large intestine
There is a general pattern of organization of wall of all tubular organs. It consists of
1.
Tunica Mucosa: consists of i) lamina epithelialis, ii) lamina propria (layer of c.t) and iii) lamina muscularis mucosae (1-2 layers of smooth muscles)