334 



HUMAN ANATOMY. 



mitrient foramina ; one on the inside of the lower hind part of the iUac fossa runs 

 forward, one or two on the outside near the anterior inferior spine run backward, 

 and one near the middle of the second curved line runs downward. 



The Pubis. — The pubis ^ {os pectiiiis) has a flat squarish body, which, meeting 

 its fellow at the symphysis, forms the front wall of the pelvis, and two rami, the 

 superior joining the ilium and the inferior joining the ischium. The median end of 

 the body' is whollv taken up by a rough oval area, the symphysis pubis, bearing the 

 fibro-cartilage of the joint. The spine' of the pubis is a pointed tubercle, projecting 



Fig. 353- 



CREST OF ILIUM 



Internal lip 



Transversalis 



Qttadratus lumborum 



Ant. sup. 

 spine 



Erectot 

 spince 



Ant. inf. spine 

 Groove for ilio-psoas- 

 Psoas parvus 



Ilio-pectineal 

 eminence 



Post. sup. 

 spine 



Post inf. spine 



^ il^^H 1 



SPINE OF PUBIS f/j ^Wy i' 



Pubic crest -J; 1^11 ^ 



Angle -J^BkoaKv \ » 



Levator ani 



Compressor nr/'thrce 

 Attachment of crus penis 



Ischio-cavernosus 



Coccygeus 

 Spine of ischium 



LESSER 8ACR0-SCIATIC NOTCH 



Levator ani 



RAMUS OF ISCHIUM 



TUBEROSITY OF SCHIUM 



Obt7irator internus 

 Transversus perinci 



Ri.uht innominate bone, inner aspect. 



forward from the front of the upper border of the bone some two centimetres rrom 

 the symphysis, to which Poupart's ligament is attached. A ridge runs from this 

 obliquely backward and inward to the posterior end of the top of the symphysis, 

 which, together with the rough surface internal to it, constitutes the crest. The 

 term angle is applied to the line of junction of this surface with the symphysis. The 

 superior ramus* is prismatic, having an antero-superior, an inferior, and a posterior 

 side. It enlarges as it runs outward to form a part of the socket. The ilio-pediyieal 



'Os pubis. - Corpus ossis pubis. ^Tuberculum pubicum. ^ Ramus superior. 



