. Anatomy, descriptive and applied. Anatomy. 294 THE ARTICULATIONS, OB JOINTS Movements.—The movements which take place between the sacrum and coccyx, and between the different pieces of the latter bone, are forward and backward, and are very limited. Their extent increases during pregnancy. Interpubic dish Cavity at uppe and back pa} t 4 Articulation of the Pubic Bones (Symphysis Ossioi Pubis) (Figs. 238, 242). The articulation between the pubic bones is an amphiarthrodial joint, formed by the apposition of the two oval articular surfaces of the pubic bones. The ligaments of this articulation


. Anatomy, descriptive and applied. Anatomy. 294 THE ARTICULATIONS, OB JOINTS Movements.—The movements which take place between the sacrum and coccyx, and between the different pieces of the latter bone, are forward and backward, and are very limited. Their extent increases during pregnancy. Interpubic dish Cavity at uppe and back pa} t 4 Articulation of the Pubic Bones (Symphysis Ossioi Pubis) (Figs. 238, 242). The articulation between the pubic bones is an amphiarthrodial joint, formed by the apposition of the two oval articular surfaces of the pubic bones. The ligaments of this articulation are the Anterior Pubic. Superior Pubic. Posterior Pubic. Inferior Pubic. Interpubic Disk. The anterior pubic Ugament (Fig. 238) consists of several superimposed layers which pass across the front of the articulation. The superficial fibres pass ob- liquely from one bone to the other. Hyaline cartiiaiie coveHnri bone. decussating and forming an interlace- ment with the fibres of the aponeurosis of the External oblique and the tendon of the Rectus abdominalis muscles. The deep fibres pass transversely across the symphysis, and are blended with the interpubic disk. The posterior pubic ligament consists of a few thin, scattered fibres which unite the two pubic bones posteriorly. The superior pubic ligament Qiga- mentum pubicum superhis) (Fig. 238) is a band of fibres which connects the two pubic bones superiorly. The inferior pubic or subpubic ligament Qigamentum arciiatit m pubis) (Fig. 238) is a thick, triangular arch of ligamentous fibres, connecting the two pubic bones below and forming the upper boundary of the pubic arch. Above, it is blended with the articular disk; laterally it is united with the descend- ing rami of the pubis. Its fibres are closely connected and have an arched direction. Its lower margin is separated from the triangular ligament of the perineum by a gap, through which runs the dorsal vein of the penis. The interpubic disk (lamina fibrocartilaginea inte


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1913