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Skeleton of Horse
Skeleton of the Horse 1.Skull, or skeleton of the head. 2.Cervical vertebræ or neck bones. 3.Dorsal vertebræ or back bones. 4.Lumbar vertebræ or loin bones. 5.Sacral vertebræ or rump bones. 6.Coccygeal vertebræ or tail bones. 7.Pelvic or hip bones. 8.Sternum or breast bone. 9.Ribs. 10.Scapula or shoulder blade. 11.Humerus or shoulder bone. 12.Radius or bone of the fore-arm. 13.Ulna or bone of the fore-arm. 14.Carpus or bones of the knee. 15.Os Melacarpi Magnus, metacarpal, or cannon bone. 16.Ossa Melacarpi Parva, or splint bones. 17.Proximal Phalanx, os suffraginis, or large pastern bone. 18.Great Sesamoid Bones. 19.Medium Phalanx, os coronæ, or small pastern bone. 20.Distal Phalanx, os pedis, or coffin bone. 21.Os Naviculare, small sesamoid, or shuttle bone. 22.Femur, or thigh bone. 23.Patella, or stifle bone. 24.Tibia, or leg bone. 25.Fibula. (This bone is little developed in the horse.) 26.Tarsus or hock bones. 27.Metatarsus, or os metatarsi magnus. 28.Ossa Metatarsi Parva, or splint bones of the hind leg. Names of joints placed according to numbers. I. Shoulder Joint. II. Elbow Joint. III.Carpus or knee joint. IV.Fetlock Joint. V.Pastern Joint. VI.Coffin Joint. VII.Hip Joint. VIII.Stifle Joint. IX.Tarsus or hock joint.
Cross section of foot of a horse
Anatomy of the Foot.—This illustration represents the foot of a horse sawed from above the fetlock down through the center of the foot. It shows the structure of the foot, the name of each part being given according to number. 1. Lower end of large metacarpal, or cannon bone. 2. Bursa, which secretes the joint oil that lubricates the place where the tendon, or cord, on the front of the leg passes down over the front of the fetlock joint. This is important as it sometimes gets injured and becomes enlarged. It is then called a bursal enlargement, and is of the same nature as a wind gall. 3. Fetlock joint. 4. Os suffraginis, or large pastern bone. 5. Pastern joint. This joint is important; when diseased it is the seat of a high ringbone. 6. Os coronae or small pastern bone. 7. Coffin joint. This joint is important, for when it is diseased it is known as a low ringbone. 8. Wall of the hoof. 9. Os pedis, or coffin bone. 10. Sensitive wall, or quick of the foot. 11. Sensitive sole, or quick of the foot. 12. Frog of the foot, or horney frog. 13. Plantar cushion, or fatty frog. 14. Navicular bone. This is also important, for when diseased it is the seat of navicular, or coffin joint lameness. 15. Back tendons below the fetlock. 16. Sesamoid, or fetlock bones. 17. Skin. 18. Back tendons above the fetlock.