the stomach

haemorrhage the stomach the stomach is formed of 3 main parts: 1- the fundus. 2- the body. 3- the antrum. the gastric mucosa: they contain simple tubular glands. the glands in the cardiac region and pyloric canal contain mainly mucous cells. the glands in the fundus and body contain the following cells: 1- parietal cells: these secrete hcl and intrinsic factor. 2- peptic cells: these secrete proteolytic enzymes (pepsinogens). 3- mucous cells: these secrete mucus. innervation of the stomach: 1- parasympathetic supply. 2- sympathetic supply. mechanism of gastric secretion 1- cephalic phase (nervous):(20 %) this phase occurs before food reaches the stomach through both conditioned and unconditioned reflexes → stimulate gastric secretion through vagi nerves. the vagi stimulation leads to: …

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