STOMACH 



215 



The weight of the stomach on body weight Hatai ('18). Technic : 

 The stomach is separated at the pyloric end where a deep con- 

 striction is clearly shown. The esophagus is cut close to the 

 stomach within a few millimeters. As soon as the stomach is 

 removed, it is cut along the entire length and the contents are 

 carefully removed by means of either the dull side of a knife or 

 forceps. This can be easily done without injuring the stomach 

 for the purpose of recording its weight. 



The graph in chart 39 and the values in table 147 were deter- 

 mined by formulas (24) and (24 a). On account of the pe- 

 culiarity of the growth before weaning two formulas were 

 necessary. 



STOMACH 



WEIGHT GRAMS 



BODY WEIGHT GRAMS 



2.0 



1.6 



1.2 



50 



100 



150 



200 



250 



300 



350 



400 



450 



Chart 39 Showing the weight of the stomach of the albino rat according to 



body weight. The observed weights are represented by 152 male rats and 107 



female rats, entered according to the groups given in table 147, formulas (24) 



and (24 a). Observed weight, male. Observed weight, female. 



Calculated weight. 



