. The comparative anatomy of the domesticated animals. Veterinary anatomy. 260 Fig. THE MUSCLES. and nerves on the inner side of the arm, and the long extensor of the fore-arm. Action.—^An extensor of the fore-arm, 5. Small Extensor of the Fore-arm or Anconeus. (Fig. 85, 10.) Synonym.—Humero-oleoranius minor—Oirard. Form — Structure — Situation—delations.— This is a small, thick, and prismatic muscle, almost entirely fleshy, situated behind the elbow articulation. It is applied against the synovial cul-de-sac which ascends into the olecranian fossa, and to which it is strongly attached;
. The comparative anatomy of the domesticated animals. Veterinary anatomy. 260 Fig. THE MUSCLES. and nerves on the inner side of the arm, and the long extensor of the fore-arm. Action.—^An extensor of the fore-arm, 5. Small Extensor of the Fore-arm or Anconeus. (Fig. 85, 10.) Synonym.—Humero-oleoranius minor—Oirard. Form — Structure — Situation—delations.— This is a small, thick, and prismatic muscle, almost entirely fleshy, situated behind the elbow articulation. It is applied against the synovial cul-de-sac which ascends into the olecranian fossa, and to which it is strongly attached; it is hidden by the short extensor, from which it is not easily distinguished. Attachments.—It originates from the margin of the olecranian fossa, chiefly above and out- wards. It terminates by being inserted-' into the anterior and external part of the olecranon. Action.—This little muscle, a congener of the preceding, raises the articular capsule it covers, and prevents its being pinched between the bony surfaces. DIFFEKENTIAL CHAEACTEKS OF THE MUSCLES OP THE ARM IN OTHER THAN S0Ln>ED ANIMALS. In all animals, the long flexor of the fore-arm, or coraco-radialis, is less thick and tendinous than in Soli- peds. In the Pig, Dog, and Oat, it comports itself in a special manner at its inferior extremity; it ia attached at first to the bicipital tuberosity^ and also furnishes a small tendinous branch which glides over the inner side of the radius by means of a Bynovi*l brn'ssa, and ia fixed within the ulna, towards the base of the olecranon. The short flexor of the fore-arm, or anterior hraohial, is terminated, in the Pig, Dog, and Cat, by a small tendon which is fixed in the ulna, below the ulnar branch of the coraco-radialis. The long extensor of the fore-arm, which ia found in all the domesticated animals, arises from the external face of the great dorsal in the Pig and Dog. The middle extensor of the fore-arm and anconeus of these animals are remarkable for
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