656 



BLOOD-VASCULAR SYSTEM OF THE HORSE 



Emerging from the space it gives off brandies to the uhiaris lateralis, and the small 

 recurrent interdsseous artery (A. interossea recurrens), which ascends on the lateral 



ArUry of rete carpi volare 



Oblique ligament 



Medial lig. 

 First carpal hone 



Deep volar metacarpal arteries 

 Medial metacarpal hone 



Radius 



Accessorio-radial lig. 

 Accessorio-uhiar lig. 



'T — Lateral lig 



Check ligament 

 Acccssorio-metacarpal lig. 



Deep volar arcli 



Suspensory ligament 

 Lateral metacarpal bone 



Fig. ofj9. — Deep Dissection of Right Carpus of Horse; Posterior View. 

 1, Radial carpal bone; 3, accessory carpal bone; 3, second carpal bone. (After Schmaltz, Atlas d. Anat. d. Pferdea.) 



Joint capsule 



Tendon of lateral 



exteyisor 



Lateral ligament 



Long tendon of, 

 ulnaris lateralis 



Superficial branch 

 of ulnar nerve 



Tendon of extensor 

 eiirpi radialis 



Tendon of extensor 

 ■ irpi obliquus 



Medial ligament 



Tendon of flexor 

 carpi radialis 

 Coinmon digital vein 

 Medial volar ■meta- 

 carpal artery 



Common digital artery 

 Lateral metacarpal vein 



' Lateral volar metacarpal artery 

 Fig. .570. — Cross-section of Proximal Part of Left Corpus of Horse. 

 Cr, Ci, Cu, Ca, radial, intermediate, ulnar, and accessor.v carpal bones; 1, superficial flexor tendon; 2, deep flexor 

 tendon; 3 (on volar carpal ligament), carpal canal; 4, oblique ligament from radius to radial carpal bone; 5, tendon of 

 common extensor; 6, medial volar nerve; 7, lateral volar nerve. S>'novial cavities are black. 



surface of the ulna and anastomoses with the deep brachial and ulnar arteries. 

 Under cover of the common digital extensor it connects with the anterior radial 

 artery and gives off the dorsal interosseous artery (Fig. 568). This vessel (A. 



