72 FUNDAMENTALS OF SUBMICROSCOPI C MORPHOLOGY 



Fig. 5 5 

 500 fJ- 



Fig. 56 



i^ 



-I 



Fig- 57 



Fig. 58 



Reticular structures of different scales 



Fig. 5 5 . Coarse macroscopic reticular structure : liana brush in a virgin forest photographed skyward. 

 Fig. 56. Macroscopic reticular structure: fascicular skeleton of a Luffa fruit (vegetable sponge). 

 Fig. 57. Microscopic reticular structure: network of collagen fibres in cow's skin (Kuntzel, 1941). 

 Fig. 58. Submicroscopic reticular structure: ultra-structure of coagulated blood fibrin (from 



WoLPERS and Ruska, 1939). 



