CONSTITUENTS OF BRAIN 



183 



TABLE 81. 



Absolute weights, in milligrams, of the constituents of a single brain of the albino 

 rat at different ages (prepared from Table 80) 



Absolute weights in milligrams 



Proteins (l)J 



Phosphatides (2) . 



Cerebrosides (3) .. 



Sulphatides (4) 



Organic extrac- 

 tives 



Inorganic consti- 

 tuents 



Cholesterol unde- 

 termined (5) 



Total sulphur 



Total phosphorus. 



177.000f 

 80.300 

 30.660 

 16.400 



35.800 



24.800 



2.120 

 5.070 



In absolute weight in milligrams of sulphur 



ProteinS (1S)§. 

 LipoidS (4).... 

 Neutral S (6) . . . 

 Inorganic S (7) . 



1.352 

 0.330 

 0.307 

 0.129 



* Record from average duplicate analyses, 

 f Record from one analysis. 



% Figures in parentheses in this section refer to Chart III. See original. 

 § Figures in parentheses in this and the following sections refer to Chart IV. 

 See original. 



