558 



OF SECRETION. 



Fig. 170. 



A view of the Mesocolon in its connection with the Mesentery, as 

 well as the connections of the Colon with the Mesocolon the opening 

 of the Ileum into the Coecum. and the passage of the Duodenum from 

 the superior to the inferior part of the abdomen ; 1, the peritoneum of 

 the lumbar region, and the origin of the left lumbar mesocolon ; 2, the 

 left lumbar portion of the mesocolon ; 3, the transverse mesocolon ; 4, the 

 right lumbar mesocolon; 5, the union of the mesocolon with the mesen- 

 tery ; 6, the mesentery; 7, 7, the folds of the mesentery cut off from the 

 small intestines; 8, lower end of the ileum; 9, the ccecum; 10, 10, the 

 ascending colon; 11, the transverse colon; 12, the descending colon; 

 13, the sigmoid flexure; 14, the anterior muscular band of the colon; 

 ]5, the duodenum, passing from the superior to the inferior portion of the 

 abdomen; 10, the colon ending in the rectum; 17, section of the ileum.] 



Section of the coats of the 

 Stomach, near the pylorus, 

 showing the gastric glands; 

 1, magnified 3 times ; 2, mag- 

 nified 20 times. (After Wag- 

 ner.) 



ends being directed towards the cavity of the stomach. In some situations, 

 these tubuli are short and straight ; in other parts they are no longer, and 

 present an appearance of irregular dilatation or partial convolution. This, 

 indeed, is their usual character, especially towards the cardiac orifice of the 



Fig. 171. 



Fig. 172. 



Glands in the coats of the Stomach, magnified 45 diameters ; 

 1, gastric gland from the middle of the stomach ; 2. another of 

 more complex structure, and appearing to contain mucus, from 

 the neighbourhood of the pylorus. (After Wagner.) 



Portion of the mucous membrane of 

 the stomach, showing entrances to the 

 secreting tubes, in pits upon its surface. 

 (After Boyd.) 



