THE STRUCTURE OF THE BONES 



19 



Nutrient foramen 



Foramen nutricium 



Nutrient foramen 

 Foramen nutricium 

 i 



Nutrient 



Canales nutricii 



Inner cortical substance 



Substantia corticalis in- 

 terna 



-Nutrient canals 

 Canales nutricii 



Cancellous tissue 

 Substantia spongiosa 



Outer cortical substance 



Substantia corticalis externa 



FIG. 27. OUTER SURFACE OF LEFT ILIUM. 



By the removal of the outer compact layer and the cancellous tissue of a portion of the bone, the nutrient canals 

 have been displayed. The bristles projecting towards the right above and below show that the nutrient canals 

 into which they have been inserted open on the inner surface of the bone that turned away from the observer. 



Inner table 



Lamina interna 



Canal of the diploe 



Canalis diploicus 



Outer table 

 Lamina externa 

 Diploe 



Diploe 



Diploe 



Diploe 



Outer table 

 Lamina externa 



FIG. 28. Os PARIETALE, PARIETAL BONE, PREPARED TO SHOW THE DIPLOE AND THE 

 COMPACT INNER TABLE. SEEN FROM WITHOUT. 



Substantia compacta, substantia spongiosa, et canales nutricii Compact tissue, cancellous 



tissue, and nutrient canals. 

 Ossa plana Flat bones. 



