SURGICAL ANATOMY OF THE ABDOMEN n 



all the while on the colon. It is easy to see how simple 

 it is for a distended stomach and intestines to press upon 

 the pyloric trap, and practically occlude it; this is the 

 second factor in producing ruptured stomach. 



The Small Intestines are divided by the anatomists 



Fig. 3. — Photograph of Stomach to illustrate Fig. 2.' 



u, CEsophagus ; b, pylorus ; c, commencement of duodenum ; 



d, pyloric or duodenal ' trap. ' 



of the present day into two portions, the Jixed or duodenal 

 and fre3 or floating; they are about 70 feet in length. 

 The duodenal portion commences from the pylorus, 

 passes under the concave surface of the liver in a direc- 

 tion upwards and outwards, lying on the double colon 



' I have inserted this photograph to illustrate General Smith's 

 diagram. The stomach was removed from the abdomen, and the 

 duodenal S-trap carefully arranged as it lies in situ. — H. C. R. 



