2 3 8 



THE ABDOMEN AND PELVIS 



the Linea Alba (p. 247), a tendinous raphe which separates the 

 two recti muscles. It widens out somewhat above the umbilicus, 



FIG. 71. Surface Landmarks of the Anterior Abdominal Wall, showing 

 the lines of some of the commoner incisions. 



1. Cholecystotomy incision. 



2. Intussusception incision. 



3. Pelvic ureterotomy incision. 



4. Supra-pubic cystotomy incision. 



5. Lumbo - ilio - inguinal incision, lower 



part. 



but below that level it is difficult to recognise. In multiparae, 

 however, and in children suffering from rickets, the two recti are 

 often definitely separated below the umbilicus, so that the 

 finger tips may be introduced between them. 



The lateral margin of the rectus muscle is indicated on the 



