. Anatomie, descriptif et appliquée. L'anatomie. L'ARTICULATION DE LA HANCHE 325 le centre de la tête du fémur, et par sa large base en marge du cotyloid encoche, où elle se mélange à la ligament transverse. Il est formé de tissu conjonctif fibreux blanc, entouré d'une gaine synoviale tubulaire de mem- brane. Parfois, seul le repli synovial existe. Très rarement, elle est nulle. Le ligament est faite tendu quand la hanche est semiflexed, et le membre adducted et tournée vers l'extérieur ; d'autre part, il est libéré lorsque vous le membre est enlevé. Elle a cependant^ mais peu d'influence qu'un ligament, et thoug

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. Anatomy, descriptive and applied. Anatomy. THE HIP JOINT 325 the centre of the head of the femur, and by its broad base into the margins of the cotyloid notch, where it blends with the transverse ligament. It is formed of white fibrous connective tissue, surrounded by a tubular sheath of synovial mem- brane. Sometimes only the synovial fold exists. Very rarely it is absent. The ligament is made tense when the hip is semiflexed, and the limb adducted and rotated outward; it is, on the other hand, relaxed when the limb is abducted. It has, however^ but little influence as a ligament, and though it may to a certain extent limit movement, it would appear to be merely a "vestigial and practically useless ligament.'". Fig. 260.—Right hip-joint from the mesal side. (The bottom of the acetabulum has been chiselled away sufficiently to make the head of the femur visible.) (Spalteholz.) The cotyloid ligament {labruvi glenoidale (Fig. 263) is a fibrocartilaginous rim attached to the margin of the acetabulum, the cavity of which it deepens; at the same time it protects the edges of the bone and fills up the inequalities on its sur- face. It bridges over the notch as the transverse ligament of the acetabulum, and thus forms a complete circle, which closely surrounds the head of the femur, and assists in holding it in its place. It is prismoid on section, its base being attached to the margin of the acetabulum and its opposite edge being free and sharp. Its two surfaces are invested by synovial membrane, the external one being in contact with the capsular ligament, the internal one being inclined inward, so as to narrow the acetabulum and embrace the cartilaginous surface of the Tiead of the femur. It is much thicker above and behind than below and in front, and consists of close, compact fibres, which arise from different points of the 1 J. Bland Sutton, Ligaments: Their Nature and Morphology, 1887.. Please note that these images are extracted from scanned page ima

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