Jugular furrow

Extend the neck. Palpate the sternocephalicus at its divergence. Find the ventral border of brachiocephalicus. Press with the thumb to distend the jugular vein, to see its course between sternocephalicus and brachiocephalicus.
      In Horse, it is bounded by brachiocephalicus (cleidomastoideus), ventrally by sternocephalicus, and deeply by omohyoideus.
      In Ox, it is bounded ventrally by sternomandibularis and deeply by sternomastoid.
      In Dog, the cephalic vein in the forelimb and saphenous vein in the hind limb is used for blood collection. Veins are subcutaneous, the point of entry of cephalic vein being on the front of the forearm midway between elbow and carpus.

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