<prompt> The defect in achalasia cardia is present in not related -pathologyMyenteric plexus of AuerbachMeissners plexusKiesselbachs plexusMesenteric plexus  <response>: Progressive inflammation and selective loss of the inhibitory myenteric neurons in Auerbachs plexus of the esophagus that normally secrete VIP and nitric oxide- Achalasia 