40: 



THE CONNECTIVE TISSUES 



[OH. IV. 



vided with blood-vessels, but the tissue elements are, as in all tissues, 



provided with nutriment by the 

 exudation from the blood called 

 lymph. The Soft Kandlchen en- 

 able the lymph to penetrate to 

 every part of the areolar tissue. 



Development of Areolar 

 Tissue. 



The mesoblastic cells in those 

 parts where the tissue is to be 

 formed become branched and 

 fusiform. 



These ultimately become the 

 connective-tissue corpuscles, and 

 they get more and more widely separated by intercellular material, 



FJO. 56. Ground-substance of connective tissue, 

 stained by silver nitrate. The cell spaces are 

 left white. (After Schiifer.) 



FIG. 57. Portion of submucous tissue of gravid uterus of sow. a, Branched cells, more or loss spindle- 

 shaped ; ft, bundles of connective tissue. (Klein,) 



partly shed out by the cells themselves, partly shed out from the 







FIG. 58. Jolly of Wliarton. r, Ramified cells intercommunicating by their branches; I, a row of 

 lymph-cells ; /, fibres developing in the ground-substance. (Ranvier.) 



neighbouring blood-vessels. This becomes the ground-substance. 



