THE DIGESTIVE SYSTEM 



239 



secretes bile, which aids in the emulsification of fats, in the activation of 

 lipase secreted by the pancreas, and in the stimulation of peristalsis of the 

 intestine. 



The Hver is a reddish-brown organ l>ing between the stomach and the 

 diaphragm and is the largest gland in the body, weighing between two and 

 three pounds. It is wedge-shaped, and divided into a smaller left lobe 



DIAPHRAGM 



' ESOPHAGUS 

 ■SPINAL CORD 

 DORSAL AORTA 

 LIVER 





FORAMEN EPIPLaCUM 

 PANCREAS 



STOMACH 



?. MESENTERrCART. 



^_rri_LTRANSVERSE COLON 



ili=irriI\OL.i J.INR MESENTERIC ART. 

 — ^ |5~r5 1 — MESENTERY 



rV^— --J- A_0MENTAL BURSA 



BLADDER 



SYMPHYSIS 



UTERUS 



RECTUM 



Fig. 223. — A median section of the abdominal cavity, showing the relations of 

 the omental bursa. The diaphragm is cross-hatched. The course of the duodenum- 

 jejunum and of the colon is shown by means of arrows. (Redrawn after Braus.) 



and a larger right lobe. The two lobes are separated by the falciform 

 ligament, which is developed from the ventral mesentery and attaches the 

 liver to the diaphragm and the ventral body-wall. Two smaller lobes, 

 the caudate and quadrate, He between the right and left lobes on their 

 inferior surface. The gall bladder lies below the right lobe near the duo- 

 denum. The postcaval vein passes through the right lobe. 



