The main constituent of gastric acid is hydrochloric acid which is produced by parietal cells ( also called oxyntic cells ) in the gastric glands in the stomach.
2.
Stimulation of histamine activates a histamine ( H2 )-sensitive adenylate cyclase of oxyntic cells, and there is a rapid increase in cellular [ cAMP ] that is involved in activation of H + transport and other associated changes of oxyntic cells.
3.
Stimulation of histamine activates a histamine ( H2 )-sensitive adenylate cyclase of oxyntic cells, and there is a rapid increase in cellular [ cAMP ] that is involved in activation of H + transport and other associated changes of oxyntic cells.