128 



THE SKELETON OF THE LOWER EXTREMITY 



Iliac fossa 

 Fossa iliaca : 



Iliac crest 

 Crista iliaca 



Intermediate ridge 



Linea intermedia 



Inner lip 



Labium internum 



Anterior superior iliac spine 

 Spina iliaca anterior superior 



Iliac portion of the iliopectineal Una 

 Linea arcuata 



Anterior inferior iliac spine 

 Spina iliaca anterior inferior " 



Iliopectineal eminence 

 Eminentia iliopectinea 



Pubic portion of the iliopectineal line 

 Pecten ossis pubis 



Obturator groove 

 Sulcus obturatorius - 

 'Anterior obturator tubercle 



*Tuberculum obturatorium anterius' 



Superior or ascending ramus 



of the pubis 



Ramus superior ossis pubis 

 Posterior obturator tubercle (var.) 

 Tuberculum obturatorium 



posterius (var.) 

 Surface of the symphysis- 

 Facies symphyseos 



Inferior or descending ramus of the pubis 

 Kamus inferior ossis pubis 



Thyroid or obturator foramen 



Foramen obturatum 



Pre-auricular groove 



'Sulcus paraglenoidalis 

 (prae-auricularis) 



"Tuberosity of the ilium 1 



Tuberositas iliaca 



Auricular surface 

 Facies auricularis 



_ Posterior superior iliac spine 

 Spina iliaca posterior superior 



Posterior inferior iliac spine 



Spina iliaca posterior inferior 



- Great sciatic, or iliosciatic notch 



Incisura ischiadica major 



Body of the ischium 



Corpus ossis ischii 



Spine of the ischium 



Spina ischiadica 



Superior ramus of the ischium 

 Ramus superior ossis ischii 



Tuberosity of the ischium 

 Tuber ischiadicum 



Inferior ramus of the ischium 



Ramus inferior ossjs ischii 



1 This term, which is seldom used by English anatomists, denotes the posterior fifth of the crest ot tne 

 ilium and the rough surface of bone immediately below the crest on either side. TR. 



FIG. 311. THE RIGHT HIP-BONE. INNER ASPECT. 



The ilium forms the upper part of the os innominatum. The slightly concave inner surface of the upper 

 and anterior part of the ilium, known as the iliac fossa, is directed towards the observer ; behind the 

 fossa is the auricular surface for articulation with the sacrum ; ard behind the auricular surface is the 

 internal rough surface of the *tuberosity of the ilium 1 . The upper border of the ilium is the iliac 

 crest, the anterior extremity of which forms the anterior superior iliac spine, the posterior extremity, 

 the posterior superior iliac spine. From the anterior border of the ilium projects the anterior inferior 

 iliac spine, from the posterior border, the posterior interior iliac spine. The superior or ascending 

 and the inferior or descending ramus of the pubis and the superior and inferior ramus of the ischium, 

 surrounding the obturator foramen, are all seen from the internal or pelvic aspect. The surface of 

 the pubic symphysis, by means of which the two pubic bones articulate, forms the internal limiting 

 surface of the os pubis. 



Os coxae Hip-bone or innominate cone. 



