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PRACTICAL ANATOMY. 



or chambers by two transverse and two vertical planes. 

 The upper transverse plane cuts the abdominal cavity at 

 a level with the costal cartilage of the ninth rib; the 

 lower plane on a level with the summits of the crests of 

 the iliac bones. These divide the abdominal cavity into 

 three portions, a superior, middle, and inferior. These 

 are again divided by two vertical planes, each drawn 

 through the costal cartilage of the eighth rib and through 

 the middle of Poupart's ligament, subdividing the ab- 

 dominal cavity into nine regions, or chambers. The 

 middle regions are : the epigastric above, umbilical in the 

 middle, and the hypogastric below. Those at the sides 

 are : the hypochondriac above, the lumbar at the sides of 

 the umbilical, and the inguinal below. The following 

 structures are located in these regions : 



Right Hypochondriac. 



The right lobe of 

 the liver, gall-bladder, 

 the duodenum, pan- 

 creas, hepatic flexure 

 of the colon, upper 

 part of the right kid- 

 ney, and the right 

 supra-renal capsule. 

 RigJit Lumbar. 



Ascending colon, 

 lower part of the right 

 kidney, and some con- 

 volutions of the small 

 intestines. 



Right Inguinal. 

 The caecum, appen- 

 dix caeci, ureter, and 

 iliac vessels. 



Epigastric. 



The middle and py- 

 loric end of the stomach, 

 left lobe of the liver and 

 lobulus Spigelii, the 

 pancreas, aorta, ascend- 

 ing vena cava and coe- 

 liac plexus. 



Umbilical. 



The transverse colon, 

 part of the great omen- 

 turn and mesentery, 

 transverse part of the 

 duodenum, and some 

 convolutions of the je- 

 junum and ileum, and 

 great vessels. 



Hypogastric 

 Convolutions of the 

 small intestine, the blad- 

 der in children, and 

 in adults if distended, 

 the uterus during preg- 

 nancy, great, vessels, 

 and lumbar plexus. 



Left Hypochondriac,. 



The splenic end of the 

 stomach, the spleen 

 and extremity of the 

 pancreas, the splenic 

 flexure of the colon, 

 upper half of the left 

 kidney, and the left 

 supra-renal capsule. 

 Left Lumbar. 



Descending colon, 

 part of the omentum, 

 lower part of the left 

 kidney, and some con- 

 volutions of the small 

 intestine 



Left Inguinal. 

 Sigmoid flexure of the 

 colon, ureter, and iliac 

 vessels. 



