The diseases of live stock and their most efficient remedies; . oom tops. Diseases of the Horse. 189 CHAPTER yil. DISEASES OF THE FOOT OF THE HOESE. Structure of the Foot of the Horse. Lameness in the Horse; Hoio to Detect Lameness; How to Ascertain the Cause of the of the Feet—Laminitis—Founder—Fever in the Thrush or Frush of the Punctured Wownds of the Feet—Prickings—Gathered —Fistula of the Coronet—Fibro-Chondritis of the Disease—Ghogginess—Contraction of the —Mud Fever—Cracked
The diseases of live stock and their most efficient remedies; . oom tops. Diseases of the Horse. 189 CHAPTER yil. DISEASES OF THE FOOT OF THE HOESE. Structure of the Foot of the Horse. Lameness in the Horse; Hoio to Detect Lameness; How to Ascertain the Cause of the of the Feet—Laminitis—Founder—Fever in the Thrush or Frush of the Punctured Wownds of the Feet—Prickings—Gathered —Fistula of the Coronet—Fibro-Chondritis of the Disease—Ghogginess—Contraction of the —Mud Fever—Cracked Heels—Erythema of the —Eczema of the Heels. In order to render clear the subjects treated of in thischapter, we shall be obliged to begin with a brief descrip-tion of the STRUCTURE OF THE FOOT OF THE HORSE. The following cut (Fig. 21) represents a section of thefoot divided through the middle lengthwise, that is, from 190 Diseases of the Horse. toe to heel, and shows the bones in theic natural positionin the healthy FIG. 21.—A SECTION OF THE HOKSEs FOOT. Commencing above, the letter D indicates the lower endof the long pastern bone; b is the coronary bone, which liesinternally from the upper or coronary border of the wallof the hoof; c is the coffin bone, or foot bone, as pedis;d is the navicular bone, a small bone of very great interestto the surgeon, because injury and inflammation of surfacetissues is a very frequent cause of lameness, producing thatcondition called grogginess. The navicular bone bearsno part of the weight, but is apparently inserted for thepurpose of giving increased leverage power to the longtendon, e, which passes from the coffin bone backward,over the navicular bone and up the leg. It will be seen that from the upper part of the longpastern bone to the end of the coffin bone is a straightline, inclined at an angle of about 45° to the surface of theground. This obliquity of position enables the bone to actas
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectveterinarymedicine
