Abstract
This chapter evaluates disorders of regulatory mechanisms such as achalasia and Hirschsprung Disease and disorders of effector mechanisms such as reflux disease, systemic sclerosis of the GI tract and Colonic Diverticular Disease. Definitions, pathogenesis, course, treatment and complications are revealed as well as the bioengineering thoughts of the authors are elucidated.
Keywords: Achalasia, biomechanics, diverticular disease, gastroesophageal reflux disease, Hirschsprung Disease, motility.