*Failure of [[Oesophagus - Anatomy & Physiology|oesophageal]] function results in obstruction and in failure of ingesta to pass to the [[Forestomach - Anatomy & Physiology|stomach]]. | *Failure of [[Oesophagus - Anatomy & Physiology|oesophageal]] function results in obstruction and in failure of ingesta to pass to the [[Forestomach - Anatomy & Physiology|stomach]]. |