556 THE URINARY ORGANS OF THE HORSE 
or three lumbar transverse processes. The dorsal surface is convex, and is related 
to the left crus of the diaphragm, the iliac fascia and psoas muscles, and the dorsal end 
Right adrenal 
- Right ureter 
Left ureter 
Fic, 496.—Kipneys anp ADRENALS OF Horse; Dorsat View. 
Hardened in situs Impression of seventeenth rib on right kidney is indicated by small cross. The left kidney was a 
little further forward in this subject than is usual. 
Ureters 
Anterior mesenteric Renal arteries 
artery (stump) 
Tic. 497.—Kipneys anp ADRENALS OF Horse; VENTRAL Virw. 
Hardened in situ. Left renal vein (not marked) is seen curving round posterior end of left adrenal. 
of the spleen. The ventral surface is convex and irregular; the greater part of if is 
covered by the peritoneum. It is in relation with the origin of the small colon, the| 
terminal part of the duodenum, the left adrenal, and the left extremity of the 
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