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HANDBOOK OF PHYSIOLOGY. 



which the afferent artery enters it. On leaving, they do not immediately 

 join other small veins as might have been expected, but again breaking 

 up into a network of capillary vessels, are distributed on the exterior of 



Fig. 293. Diagram showing the relation of the Malpighian body to the uriniferous ducts and 

 blood-vessels, a, one of the interlobular arteries; a', afferent artery passing into the glomerulus ; 

 c, capsule of the Malpighian body, forming the termination of and continuous with t, the uriniferous 

 tube ; e', e', efferent vessels which subdivide in the plexus, p, surrounding the tube, and finally 

 terminate in the branch of the renal vein e (after Bowman). 



the tubule. After this second breaking up the capillary plexus termi- 

 nates in a small vein, which, by union with others like it, helps to form 



Fig. 294. Malpighian capsule and tuft of capillaries, injected through the renal artery with 

 colored gelatin, a, glomerular vessels ; 6, capsule ; c, anterior capsule; d, glomerular artery ; e, 

 efferent veins; /, epithelium of tubes. (Cadiat.) 



the radicles of the renal vein. These small veins pass into others which 

 form venous arches corresponding to the arterial arches, but which are 

 more distinct, situated between the medulla and cortex. 



