THE HEART AND VASCULAR SYSTEM. 



193 



3. Splenic , the largest of the three, supplies the spleen and 

 gives off the 



(a) Pancreatic to the pancreas; 



Cb) Gastro-epiploica sinistra, runs from left to right, along the 

 greater curvature, to join the gastro-epiploica dextra; 



(c) Gastric (vasa brevia), supply the fundus of the stomach. 



Superior mesenteric, supplies the small intestine (except 

 first part of the duodenum) and the large intestine as far as the 

 splenic flexure, and part of the descending colon. It gives off : 



FIG. 110. 



Abdominal aorta: 1, phrenic; 2, cceliac axis; 3, superior mesen- 

 teric; 4, suprarenal; 5, renal; 6, spermatic; 7, inferior mesenteric; 

 8, lumbar; 9, sacra media. 



(a) Inferior pancreatico-duodenal, supplies duodenum and pan- 

 creas; 



(b) Vasa intestini tenuis, supply nearly the whole length of the 

 small intestine (ileum and jejunum) ; 



(c) Ileo-colic, descends to 1 he right iliac fossa, between the layers 

 of the mesentery, and divides into t\v<> bra Tidies: 



(d) Colica dextra, passes to the middle of the ascending colon, to 

 divide into two brandies: 



(c) Colica media, ascends in the layers of the transverse meso- 

 colon, to divide into two brandies. 



