96 



ANATOMICAL AND PHYSIOLOGICAL STUDIES ON 



Condensing all age groups into three (averages in table -67), 

 then the relation changes somewhat. From one to eleven days 

 the volume increases more than 100 per cent, while from eleven 

 to 213 days it increases only 13 per cent. 



25 5O 50 1OQ 2OO 300 400 500 



Chart 34 The volume of inner hair cells and of their nuclei, tables 67 and 69. 



Volume of inner hair cells. 

 Volume of nuclei of inner hair cells. 



The data for the growth of the nuclei of the inner and outer 

 hair cells are presented in tables 68 and 69. The weighted 

 values for the diameters of the nuclei (table 68) are large at 

 the earlier stages, but from twelve days decrease gradually till 



