THE SPLEEN. 



177 



The adventitia of the arteries contains considerable lymphadenoid 

 tissue, which after the exit of the vessels from the trabecute is 



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Section from the spleen of the cat. (Bannwarth.) Termination of an arterial capillary in 



the pulp. 



expanded at intervals to form spherical bodies, about 1 mm. in diam- 

 eter, called the " Malpighian bodies " or " corpuscles." These are 



FIG. 152. 



Section from the spleen of the cat. (Bannwarth.) Beginning of a capillary venous radicle. 



like little lymph-follicles, through which the artery takes its course. 

 The reticulum in these Malpighian corpuscles is scanty and incon- 



