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 



Left adrenal 



Left ureter 



Fig. 496. — Kidneys antj Adrenals of Horse; Dorsal ^'iew. 



Hardened in situ. 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 



Renal vein 



Anterior mesenteric 

 artery [stump) 



Renal arteries 



Rt^ht 



Klclne\ 



Fig. 497. — Kidneys and Adrenals of Horse; Ventral View. 

 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 it 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 



