. The horse, its treatment in health and disease with a complete guide to breeding, training and management . pro-minences, the coronoid processes, which give attachment to musclesof mastication. On the inner sides above, and on the outer sides below,are two openings com-municating with a longcanal, through whichpass an artery and anerve to supply the teethwith blood and sensation. Os Hyoides orTongue Bone. — Thisbone is situated in theregion of the throat, andis composed of five dis-tinct pieces. One isformed like a spur, hav-ing a short, pointed pro-cess projecting forward,and embedded in th
. The horse, its treatment in health and disease with a complete guide to breeding, training and management . pro-minences, the coronoid processes, which give attachment to musclesof mastication. On the inner sides above, and on the outer sides below,are two openings com-municating with a longcanal, through whichpass an artery and anerve to supply the teethwith blood and sensation. Os Hyoides orTongue Bone. — Thisbone is situated in theregion of the throat, andis composed of five dis-tinct pieces. One isformed like a spur, hav-ing a short, pointed pro-cess projecting forward,and embedded in theroot of the tongue, andthe heel - like branchesdirected backwards tobe connected with thelarynx or upper part of the windpipe. The others, two flat slender pieces on either side (svperiorand inferior cornua), are united together and attached above to thepetrous temporal bone at the base of the cranium by means of a shortrod of cartilage. The several parts composing the bone are joined to-gether by articulations, some of which form free-moving joints, to whichthe extreme mobility of the tongue is Fig. 291.—The Hyoid Bone and the Larynx A, Superior or Long Comu of Os Hyoides. B, Inferior or ShortConiu. c, Thyroid or Heel-like Process. D, Spur Process. E, Epiglottis. F, Cilottis. G, Cricoid Cartilage. H, Thyroid , First Ring of Trachea. J, Arytenoid Cartilage. THE THORAX OR CHEST The bony framework of this cavity is formed by the dorsal vertebraeabove, which we have already referred to, the sternum below, and theribs which form the sides and part of the roof. 190 HEALTH AND DISEASE Sternum or Breast-Bone (fig. 292).—This is a long bone, suspendedfrom the dorsal spine by the ribs, the first eight of which articulate withit. In early life it is made up of six distinct pieces, united by intervoning
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecthorses, bookyear1906
