ABDOMEN. 



249 



peritoneum, the uradius in tin- mid-line extending from tin- summit of bladder to 

 the umbilicus. This is the f<rtal remains of the stalk of the aliantnis ; it is covered 

 by peritoneum, and the particular name given the ridge or told in this peritoneum 

 is pliea urachi. This opening sometimes tails to clo 



3. You saw on each side of the plica urachi the foetal remains of the hypo- 

 gastric arteries ; these are covered by peritoneum, called plica hypogastrica. 



I'he triangular depression between these tuo plica; just noticed is the internal 

 inguinal fossa, an<l is associated with direct inguinal hernia. 



4. You located the deep epigastric artery and reins. To the inner side of this 



THYROID 



LUNG 



LIVER 

 Suspensory ligament 



SMALL INTESTINE 

 BLADDER 



TRACHEA 



THYMUS 



LUNO 



RIGHT AURICLE 



SIGHT VENTRICLE 



3TOMACH 



PART OF TRANSVERSE 

 COLON 



llypogattric artery 



Vic,. 176. THE VISCKRA of THE FCETUS. (RUdinger.) 



artery you saw the middle inguinal fossa, associated with direct inguinal hernia ; 

 to the outer side the external inguinal fossa, associated (i) with the beginning of 

 the spermatic cord ; (2) with indirect or oblique inguinal hernia. You saw also 

 that this deep, epigastric artery forms the outer boundary of Hesselbach's tri- 

 angle. 



5. You saw the femoral sheath, containing the femoral artery, vein, and femoral 

 canal. These structures you saw leaving the pelvis below Poupart's ligament. 

 The peritoneal depression corresponding to the beginning of the femoral canal 

 the femoral ring is the femoral fossa, and is associated with femoral hernia. 

 17 



