NUTRITION PROPER. 



^11 



Starch. If the food remained long enough in the mouth 

 the saccharization would take place there, but in fact 

 it takes place in the stomach, although the stomach has 

 really nothing to do with the process. On the contrary, 

 the gastric juice by its acidity rather checks the saccha- 

 rization of starch, so that this change takes place mainly 

 in the early stages of stomach digestion before gastric 

 juice is yet formed in large quantities. 



The Stomach. — The. position is just below the dia- 

 phragm and behind the triangular space in front called 



Fig. 198. —Stomach of man ; a section showing form and interior surface : 

 oe, oesophagus ; p, pylorus ; bd, bile duct ; gbl, gall bladder ; fls, pan- 

 creas. 



thepit of the stomach, but a little more to the left side. 

 Its shape is seen in Fig. 198. Of its two openings, that 

 leading into the oesophagus is called the cardiac, and 

 that leading into the intestines the pyloric orifice. 



