Fig. 3

Morphology of digestive tract and attached spleens. a Left lateral view of the isolated digestive tract from esophagus to duodenum and spleens. Arrowheads indicate greater omentum. *Severed part of duodenum conforms to asterisk in panel (c). Arrow, severed part of esophagus. Left of panels (a-d), cranial; upper, dorsal. b Internal structure of rumen with two pillars (arrows). c Left lateral view of isolated digestive tract from duodenum to transverse colon and liver. *Severed part of duodenum conforms to asterisk in panel (a). d Schema of lower digestive tract according to panel (c). e Morphology of dorsal and ventral spleens. Bar = 20 (a and c) and 10 (e) cm. 1, esophagus; 2, rumen; 3, reticulum; 4, omasum; 5, abomasum, 6, pylorus; 7, duodenum; 8, ventral spleen; 9, dorsal spleen; 10, jejunum; 11, ileum; 12, body of cecum; 13, apex of cecum; 14, proximal loop of colon; 15, spiral loop of colon; 16, distal loop of colon; 17, transverse colon; 18, descending colon; 19, rectum; 20, mesojejunum