A system of human anatomy, general and special . rior and posterior internal surface is bounded above by. the crest, below by aprominent line, the linea ilio-pectinea, and before and behind by theanterior and posterior borders; it is concave and smooth for the an-terior two-thirds of its extent, and lodges the iliacus muscle. The * The os innominatum of the right side. 1. The ilium; its external surface. 2. Thef*™m: 0S Pubis- 4-^he crest of the ilium. 5. The superior curved The inferior curved line. 7. The surface for the gluteus maximus. 8 The anteriorsuperior spinou
A system of human anatomy, general and special . rior and posterior internal surface is bounded above by. the crest, below by aprominent line, the linea ilio-pectinea, and before and behind by theanterior and posterior borders; it is concave and smooth for the an-terior two-thirds of its extent, and lodges the iliacus muscle. The * The os innominatum of the right side. 1. The ilium; its external surface. 2. Thef*™m: 0S Pubis- 4-^he crest of the ilium. 5. The superior curved The inferior curved line. 7. The surface for the gluteus maximus. 8 The anteriorsuperior spinous process. 9. The anterior inferior spinous process. 10. The posteriorsuperior spinous process. 11. The posterior inferior spinous process. 12 The spine ofthe ischium. 13 The great sacro-ischiatic notch. 14. The lesser sacro-ischiatic Ihe tuberosity of the ischium, showing its three facets. 16. The ramus of the ischium. 17. The body of the os pubis. 18. The ramus of the pubis. 19 The aretihn*lum. 20. The foramen thyroideum. acetaDU-. ISCHIUM. 123 posterior third is rough, for articulation with the sacrum, and isdivided by a deep groove into two parts; an anterior or auricu-lar portion, which is shaped like the pinna, and coated by cartilagein the fresh bone; and a posterior portion, which is very rough anduneven for the attachment of interosseous ligaments. The external surface is uneven, partly convex, and partly concave;it is bounded above by the crest; below by a prominent arch, whichforms the upper segment of the acetabulum ; and before and behind,by the anterior and posterior borders. Crossing this surface in anarched direction, from the anterior extremity of the crest to a notchupon the lower part of the posterior border, is a groove, which lodgesthe gluteal vessels and nerve, the superior curved line; and belowthis, at a short distance, a rough ridge, the inferior curved line. Thesurface included between the superior curved line and the crest, givesorigin to
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectanatomy, bookyear1847
