. Quain's Elements of anatomy. It is thought also by some that during pregnancy aslight amount of separation may occur at the symphysis pubis from relaxation of the con-necting parts. THE HIP-JOIXT. 181 IV.—THE ARTICULATIOlSrS OF THE LOWER LIMB. THE HIP-JOINT. This is a ball and socket joint, in which the globular head of the femur is re-ceived into the acetabulum or cotyloid cavity of the hip-bone. The articularportion of the acetabulum is a horseshoe-shaped, caitilage-covered surfa-^e, broaderabove and behind than in front, and folded round the fossa acetabuli which, extend-ing from the coty
. Quain's Elements of anatomy. It is thought also by some that during pregnancy aslight amount of separation may occur at the symphysis pubis from relaxation of the con-necting parts. THE HIP-JOIXT. 181 IV.—THE ARTICULATIOlSrS OF THE LOWER LIMB. THE HIP-JOINT. This is a ball and socket joint, in which the globular head of the femur is re-ceived into the acetabulum or cotyloid cavity of the hip-bone. The articularportion of the acetabulum is a horseshoe-shaped, caitilage-covered surfa-^e, broaderabove and behind than in front, and folded round the fossa acetabuli which, extend-ing from the cotyloid notch to the bottom of the cavity, is occupied by adiposetissue covered with synovial membrane, the so-called synovial or Haversian articular surface of the femur presents a little behind and below its centre a pitin which the interarticular ligament is attached. The cotyloid ligament forms a thick fibro-cartilaginous ring round themargin of the acetabulum, increasing the depth of its cavity, and bridging over. Fig. 207.—Transverse oblique section of the pelvis and hip-joint, cutting the fikst sacual VERTEBRA AND THE SYMPHYSIS PUBIS IN THEIR MIDDLE, FROM A MALE SUBJECT OP ABOUT NINE-TEEN YEARS OF AGE. (Allen Tbomson.) ^ 1, first sacral vertebra ; 2, ilium ; 3, posterior sacro-iliac ligament; 4, cavity of the sacro-iliacarticulation ; 5, anterior sacro-iliac ligament ; 6, small sacro-suiatic ligament; 7, great sacro-sciaticligament; 8, placeil in front of the .symphysis jJubis, in the cut surface of which the small incUiuucavity, the adjacent cartilaginous plates, and the anterior and jjosterior ligamentous tilircs are shown ;J, lower part of the obturator membrane ; 10, cartilaginous surface of the cotyloid cavity, tlirough themiddle of which the incision passes transversely, dividing the interarticular ligament and the fat in thefossil acetabuli; 11, cotyloid ligament ; 12, interarticular ligament coiinci^ted with the transverse jjartof the cotyloid ligament
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishe, booksubjectanatomy
