Pacemaker cells of the GIT can be seen in
Cardiac end of stomach
Long muscle of small intestine
Pyloric end of stomach
Fundus of stomach
Pacemaker cells of GIT are absent in esophagus and proximal stomach.
Distal stomach & small intestine- Pacemaker cells present in outer circular muscle layer near myenteric plexus.
Colon- Submucosal border of circular muscle layer.