Changes

===Horse===

===Horse===

*Mesoduodenum is relatively short, so the duodenum is closely tethered in a constant position.

*Mesoduodenum is relatively short, so the duodenum is closely tethered in a constant position.

*Descending duodenum is attached to the base of the caecum.

*Descending duodenum is attached to the base of the [[Caecum - Anatomy & Physiology|caecum]].

*Descending duodenum runs caudally beneath the liver to the caudal pole of the right kidney where it has it's caudal flexure to become the ascending duodenum.  

*Descending duodenum runs caudally beneath the [[Liver - Anatomy & Physiologyliver]] to the caudal pole of the right [[Urinary System - Anatomy & Physiology|kidney]] where it has it's caudal flexure to become the ascending duodenum.

===Ruminant===

===Ruminant===