<prompt> Pacemaker cells of the GIT can be seen inCardiac end of stomachLong muscle of small intestinePyloric end of stomachFundus of stomach  <response>: 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. 