. The comparative anatomy of the domesticated animals. Horses; Veterinary anatomy. MliTATARSO - PHALANGEAL AND INTER-PHALANGEAL ARTICULATIONS OF THE HORSE. Tliese are almost the same as in the anterior limb. ], Superficial layer of the external lateral ligament of the metatarso-phalan- geal articulation ; 2, sesa- moid branch of the deep layer; 3,phalangeal branch of the same; 4, superior branch of the glenoidal fibro-cartilage; b, middle branch of ditto; 6, inferior branch of ditto; 7, lateral ligament of the first inter- phalangeal articulation; 8, posterior lateral ligament of the pedal art
. The comparative anatomy of the domesticated animals. Horses; Veterinary anatomy. MliTATARSO - PHALANGEAL AND INTER-PHALANGEAL ARTICULATIONS OF THE HORSE. Tliese are almost the same as in the anterior limb. ], Superficial layer of the external lateral ligament of the metatarso-phalan- geal articulation ; 2, sesa- moid branch of the deep layer; 3,phalangeal branch of the same; 4, superior branch of the glenoidal fibro-cartilage; b, middle branch of ditto; 6, inferior branch of ditto; 7, lateral ligament of the first inter- phalangeal articulation; 8, posterior lateral ligament of the pedal articulation; 9, anterior lateral ligament of ditto. ARTICULATION OF THE FOOT (INFEBIOE FACE). P, Inferior face of the third phalanx. S, Infe- rior face of the navicular bone. 1, Semilu- nar crest; 2, interosseous ligament. into the extremity and superior border of the navicular bone, where the Ugaments join each other, and in this way form a kind of complementary cushion that iti- creases the navicular articular surface. It also sends off a short fasciculus to the retrossal process, and a small band to the internal face of the lateral fibro- cartilage. Partly concealed by the latter and the plantar cushion, this ligament is covered inwardly by the articu- lar synovial membrane. Synovial membrane.—This descends below the facets which unite the navicular to the pedal bone. It offers, posteriorly, a vast cul-de-sac wliich reaches the posterior face of the second phalanx, and lies against the two sesamoidean bursa (Fig. 137,13). It also forms another much smaller, by being prolonged between the two lateral ligaments of the same side. This is very often distended, and it is liable to be opened in the operation for diseased lateral cartilages. Movements.—The same as those of the first interphalangeal articulation. In the Sheep are found : 1. An interosseous ligament to unite the navicular bone to the third phalanx. 2. Two anterior lateral ligaments commencing, as already stated, at
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