STRUCTURAL CHARACTERS OF ANIMAL ORGANISMS. 



57 



thickness, and become fused together into a homogeneous inter- 

 cellular substance, where ultimately the capsules belonging to 

 the different cells can no longer be distinguished from one an- 

 other, so that in the adult tissue there is seen to be a tough ma- 



FIG. 29. 



A leafed preparation of connective tissue, showing fine and coarse elastic fibres mingled 

 with bundles of fibrillar tissue and connective-tissue corpuscles. 



FIG. 30. 



FIG. 31, 





Fi(i. 30. Section of hyaline cartilage firm tlie end of a growing bone, showing a 

 decrease in the intercellular substance compared with the number of cell elements, 

 which are arranged in rows. 



KIG. 31. Elastic fibro-cartilage, showing cells in capsules and elastic fibres in matrix. 

 (Cadiat.) 



