486 DIGESTIVE SYSTEM OF THE PIG 
THE INTESTINE 
The intestine is about fifteen times the length of the body. 
The small intestine is 50 to 65 feet (ca. 15 to 20 m.) long. The mesentery of 
about the first two feet (ca. 60 cm.) is two to two and a half inches (ca. 5 to 6 em.) 
Colon 
centrifugal 
Colon : 
ai ET Fg eouls 
Fig. 424.—D1aGraM or Caecum ANp CoLon or Pia. 
Coils of colon have been pulled apart. 
long; this part may be termed duodenum. The duodenum turns sharply medially 
It then passes 
backward, in relation to the medial part of the right kidney dorsally and the colon 
ventrally, and about the middle of the sublumbar region turns across the median 
on the visceral surface of the liver to the right of the portal fissure. 
Fic. 425.—ILEo-c®caL OPENING OF PIG, 
1, Ileo-cwecal opening; 2, 2, frenulum ilei. 
! 
plane and runs forward to be continued by the mesenteric part. The right end of | 
the pancreas is attached to the first part, and here the pancreatic duct opens into 
The remainder of the bowel (Jejuno-ileum) has a mesentery about six 
to eight inches (ca. 15 to 20 em.) long, which is thick and contains a quantity of fat, 
the bowel. 
Fig. 426.—So.itary Nopv ves or LARGE INTESTINE 
or Pic. (Ellenberger-Baum, Anat. d. Haustiere.) 
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