File:The horse, its treatment in health and disease with a complete guide to breeding, training and management (1906) (14782993485).jpg

Identifier: horseitstreatm09axej (find matches)
Title: The horse, its treatment in health and disease with a complete guide to breeding, training and management
Year: 1906 (1900s)
Authors: Axe, J. Wortley
Subjects: Horses
Publisher: London, Gresham Pub. Co.
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries

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he sensitive layer just noticed aie thebones, and attached to them the tendons which move the liml) in pro-gression. There are two structures, however, whicli must l)e mentioned.The chief bone of the foot—the coffin-bone—which gives the general formto the hoof, does not extend throughout its whole interior. It forms the ANATOMY AND PHYSIOLOGY OF THE FOOT 437 basis of the front and sides of the hoof, but towards the heels is rephieedon each side by phites of gristle or cartilage (fig. 628). This elastic materialcan be felt at the inner and outer sides of the coronet through the skin ofthe living horse. AVhen diseasedand converted into bone itforms the so-called side-bones,which sometimes cause lame-ness, and always destroy thenatural elasticity of the foot.These cartilages, replacing boneat the back parts of the foot,give resiliency to the hoof, andso jjrevent concussion. The Frog.—If we examinethe under surface of the foot, another provision for whilst the sole a bony basis, the
Text Appearing After Image:
we findagainst jarupon -Lateral Cartilages, &c., of tlie Foot rests Fig. 628, A, Os pedis. B, Lateral cartilage, c, Peripole. D, Perl-polic hand. E, Goronary cushion. F, Sensitive Uiniinje, orHeshy leaics. G, Section of skin. H, Fleshy frog. I, Hornyfrog. J, Horny sole. frog does not (fig. 629). The body of the cofiin-bone only extends backwards to about an inch pastthe point of the frog. It there divides into two processes which extendnearly to the heels, but leaving between thema large space which is filled by a pad of elasticmaterial, over which the frog rests. Thisarrangement permits the frog great freedomof movement, and gives to the back portionof the hoof the special feature of elasticity sonecessary to its function of breaking concus-sion when the foot comes to the groundduring progres.sion. The front part of thefoot, by the thickness and hardness of thewall, and by the rigid basis of bone within,is .specially fitted to sustain the strain whichis placed upon it when the to

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