The stomach of horse is in the form of a simple saccular structure The capacity is about 12 litres.
It is placed at the left side on the median line on the dorsal aspect of the abdomen behind liver and diaphragm
It is curved and J shaped sac
The lesser curvature is short. The cardia and pylorus are very close
At the left extremity of the stomach, close to the entrance of the oesophagus, there is a rounded cul-de-sac known as saccus caecus
The pyloric end is comparatively smaller
The right extremity is smaller and is continued by the duodenum. It is attached by,
Gastrophrenic ligament
Greater omentum
Gastrosplenic omentum
Lesser omentum
Gastropancreatic fold
Interior stomach of horse
The mucous membrane is divided into oesophageal (non-glandular) and glandular parts, which are separated by a rough
The glandular part is divided into cardiac, fundic and pyloric regions according to the presence of different types of glands in the mucous membrane
The part on the left extremity is non-glandular being the extension of the oesophageal mucous membrane-oesophageal region and the remaining is glandular
The glandular part is subdivided into three zones, according to the type of glands present, but no distinct line of demarcation exists
A narrow zone along the margoplicatus is the cardiac gland region
Adjacent to it is the large fundic gland region
Remainder of the mucous membrane is the pyloric gland region