<unk> ’s<unk>  is a congenital disorder of the colon in which certain nerve cells, known as ganglion cells, are absent. It may cause chronic constipation.
Hirschsprung's disease pathophysiology
Short bowel syndrome pathophysiology
Pyloric stenosis pathophysiology
Meckel's diverticulum pathophysiology
Zenker's diverticulum pathophysiology
Stomach cancer pathophysiology
Mallory-Weiss syndrome pathophysiology
Intussusception risk factors