CONNECTIVE TISSUE. 



183 



accumulations viz. : as a compact lump, as a nucleated body 

 (plastid), or as a reticulum infiltrated with basis-substance. 



It is not proved that the living portion of protoplasma is really 

 ever changed into basis-substance ; I have discovered the living 

 matter, just as seen in medullary tissue, in places in which the 



FIG. 71. DIAGRAMS OF THE DEVELOPMENT OF CONNECTIVE TISSUE. 



8, diagram of the secretion theory : a, the embryonal cell; b, the cell enlarged and its 

 periphery transformed into basis-substance; c, the cell in middle of the considerably aug- 

 mented basis-substance. T, diagram of the transformation theory : a, a number of medullary 

 corpuscles, grouped in the shape of the future territory ; b, the peripheral portion of proto- 

 plasm transformed into basis-substance ; c, the cell in middle of basis-substance, sprang from 

 a transformation of the peripheral protoplasm. B, diagram of the bioplasson theory: a, a 

 number of plastids grouped in the shape of the future territory, all being reticular in struct- 

 ure and interconnected ; b, the plastids coalesced, of the peripheral ones only the nuclei left; 

 c, the formation of basis-substance accomplished, the central free plastid being the connective- 

 tissue corpuscle, with coaivse and delicate offshoots into the basis-substance. 



protoplasm was formerly thought to have perished ; nor is there 

 any necessity, indeed, to assume that the basis-substance is a 

 product of the living matter; for it may just as well be held 

 that nothing but the liquid originally filling the meshes of the living 

 reticulum is transformed into basis-substance. 



