1314 



SURFACE ANATOMY AND SURFACE MARKINGS 



iliac region rolling under the fingers when empty and forming a distinct tumor 

 when distended. 



The greater part of the liver lies under cover of the lower ribs and their cartilages, 

 but in the epigastric fossa it comes in contact with the abdominal wall. The 





Infrasternal notch 



Pectoralis major 

 I 



terrains 



anterior 

 Rectus abdominis 



Linea alba 

 Aponeurosis of 

 Obliquus externus 



Muscular fibers of 

 Obliquus externus 



Anterior superior 

 iliac spine 



Inguinal ligament 



FIG. 1219. Surface anatomy of the front of the thorax and abdomen. 



position of the liver varies according to the posture of the body. In the erect 

 posture in the adult male the edge of the liver projects about 1 cm. below the 

 lower margin of the right costal cartilages, and its inferior margin can often be felt 

 in this situation if the abdominal wall is thin. In the supine position the liver 



