944 THE DIGESTIVE SYSTEM. 
there are in addition certain special accumulations of glandular tissue, namely, 
the liver, the pancreas, and the salivary glands, which, although developed in the 
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eae Opening of larynx 
(Esophagus — 
Gall bladder 
Bile duct 
Transverse colon (cut) 
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Common orifice of bile and / 4 Zz 
pancreatic ducts _ Os ¥ 
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Duodenum~ 2 
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Fic. 636.—-GENERAL VIEW OF THE DicESTIVE SysTeM (diagrammatic). 
The transverse colon has been cut to show the duodenum, but its course is indicated by dotted lines. The 
vermiform appendix is seen hanging down from the cecum. The loop of large intestine which precedes 
the rectum is marked “sigmoid flexure,” and includes the iliac colon and the greater part of the pelvic 
colon. 
embryo as outgrowths of its wall, lie entirely outside the tube in the adult, 
and are connected with it by special ducts through which the gland-secretions 
pass. The largest of these, the liver, is placed in the upper and right portion of 
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