. The comparative anatomy of the domesticated animals. Veterinary anatomy. TEE ARTICULATIONS IN GENERAL 125 when two opposing extremities are convex. It may be remembered that the lateral tuberosities of each tibial surface present, for articulation with the condyles of the femur, two convex diarthrodial faces whose coaptation is rendered perfect by the interposition between each condyle and correspond- ing tibial surface of a crescent-shaped fibro-cartilage, which for this reason has been named a meniscus. In other joints these interarticular fibro- cartilages are shaped like discs or biconca
. The comparative anatomy of the domesticated animals. Veterinary anatomy. TEE ARTICULATIONS IN GENERAL 125 when two opposing extremities are convex. It may be remembered that the lateral tuberosities of each tibial surface present, for articulation with the condyles of the femur, two convex diarthrodial faces whose coaptation is rendered perfect by the interposition between each condyle and correspond- ing tibial surface of a crescent-shaped fibro-cartilage, which for this reason has been named a meniscus. In other joints these interarticular fibro- cartilages are shaped like discs or biconcave lenses. There then result double diarthroses :—example, the temporo-maxillary articulation. (Fibro- cartilage also covers bony surfaces over which tendons play, as on the trochlear surface of the humerus, postero-inferior face of the navicular bone, and elsewhere. In these situations it is named stratiform fibro-cartilage.^ These organs are formed, as their name indicates, by fibrous and car- tilaginous tissue; their mode of association need not be referred to here, though it may be observed that the cartilage is more particularly found in all those points where there is most articular friction. They receive vessels, and sometimes nerves. Ligaments.—These are bands which unite contiguous diarthrodial surfaces. They are sometimes formed of white fibrous tissue, and some- times of yellow; from whence their division into two great classes of white and yellow ligaments. a. The white ligaments are distinguished by the pearly whiteness of their tissue and want of elasticity. Those which are found on the outer Fiff 78 Fig 79. I^^ '' ., ^ . ^ '1 1^ t«. WHITE OR NON-ELASTIC FIBROUS TISSUE,. YELLOW OR ELASTIC FIBROUS TISSUE, FROM THE LIGAMENTUM NUCH^. aspect of the articulations are termed peripheral, and those in their interior are designated interosseous or interarticular ligaments. The peripheral ligaments are generally composed of parallel fibres collected in fasciculi, or sp
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