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FIG. 1 10. The upper figure is a schematic drawing of the crest of the right ilium to show the attachment 

 of muscles, etc., to it. Compare with Figs. 34, 98 and 109. The lower figure is a schematic representa- 

 tion of the planes of muscles and fascia: related to the bone. Poupart's ligament is stretched between 

 anterior superior spine and pubic spine, and its inner end is expanded to form Gimbernat's ligament ; 

 the two deep muscles of the abdominal wall extend on to it and make a " conjoint " muscle arising 

 here and inserted by a conjoint tendon. Conjoint tendon and Poupart's and Gimbernat's ligaments, 

 being only parts of the abdominal aponeuroses, must be continuous with the front wall of the sheath 

 of Rectus abdominis, and the lines of continuous attachment to the bone are indicated in the scheme. 

 See Figs. 104 and 109. The dotted line indicates where the transversalis fascia of the wall becomes 

 continuous with the iliac fascia. The figure also shows how the femoral sheath is derived from the 

 iliac fascia, and how the three lamelte of the Transversalis aponeurosis pass to their vertebral attach- 

 ments. 



