NO. 8 



HISTOLOGY OF THE FEMUR — FOOTE 



lary canal. As the changes extend the bone becomes lighter in 

 weight and its walls become thinner (pi. 3, figs. 1, 2, 3, 4, 5). It is 

 a slow destruction. 



TABLE OF TYPE PERCENTAGES 



Number 



First type 



Second type 



Third type 



First and second type. 

 Second and third type 

 First and third type. . 

 First, second and third 



type 



Undeveloped third 



type 



Medullary canal, full. 

 Medullary canal, 



empty 



Senile 



Amphibians 



34 

 97% 











0.3% 















3% 

 100% 





 



Man — Fetus 

 Child, Youth 



13 

 0% 



54-8% 

 



7.8% 

 14.3% 



77% 

 15.4% 



o 

 100 





 



