ALIMENTARY CANAL

is 4 general name for the whole food canal from mouth to anus. It is divided into the mouth, the pharynx or throat, the oesophagus or gullet, tho stomach, the small intestine, tho large intestine or colon, and lastly the terminal portion or rectum. The opening of the hag us into the stomach is the cardiac orifice, and that of the stomach into tho intestine is the pylorus. Where tho small intestine ie into tho large intestine thero is a valve—tho ileo-cecal valve purine = orifice which only permits fluid to pa onward tow the anus. The large ltatestine presents an outgrowth just below the ilco-cxcal valve called the cecum, which terminates in a worm-like blind ram a known as the vermiform appendix. [Refcr to Abdomen, Digestion, A ppendicitis.] [s. 331]