118 



LECTURE YTI. 



Cartilage Of " Cells " and "Intercellular Substance " 

 Formation of Clusters of Bioplasts Outline of the 

 " Cartilage Cells" Changes in the Matrix after its 

 formation Junction between Tendon and Cartilage 

 Of the formation of Septa or Partitions between the 

 Bioplasts Division of Bioplasm of Cartilage Ques- 

 tion of " Cell-ivall," "Cell Contents" fyc., in Carti- 

 lage Perichondrium " Cellular " Cartilage from 

 Mouse's Ear Spongy Cartilages Fibro- Cartilage 

 Changes in Bioplasm of fully -formed Cartilage 

 Changes in Disease Adipose Tissue Fatty Matter 

 Formation of Adipose Tissue Bioplasm of the 

 Fat Vesicle Fatty Degeneration Of the removal of 

 Adipose Tissue, and the absorption of Fat Abnormal 

 development of Fat. 



168. Of cells and intercellular substance. It lias, 

 indeed, been maintained, and the doctrine is still 

 widely taught, that the connective tissues form a class 

 by themselves, and consist of cells or cell forms em- 

 bedded in an intercellular substance. The formation of 

 the "cells" and the production of the "intercellular 

 substance" are supposed to be distinct operations. 

 But it has been distinctly proved that in this, as well 

 as in all other textures, masses of bioplasm (the so- 

 called cells) existed before any vestige of the inter- 

 cellular substance was to be demonstrated, and that 

 the " intercellular substance " is formed from the bio- 

 plasm. The connective tissues include the various 

 forms of connective and fibrous tissues, cartilage, and 

 bone. The matrix of cartilage is, however, no more 

 intercellular than the walls of epithelial cells are inter- 

 cellular. The relation of the so-called cells to one 



