THE STOMACH. 



85 



Nothing is known about the lymphatics; nor are the relations 

 of the nerves yet ascertained, except that Ecker has observed 



Fig. 202. 



the division of fine nervous tubules in the muscular tunics of 

 the stomach of the Frog and Rabbit. 



MUCOUS MEMBRANE OE THE STOMACH. 



§ 149. 



The gastric mucous membrane is soft 

 and loose in texture; and its colour, du- 

 ring digestion, is reddish-grey or bright 

 red, at other times greyish. When the 

 stomach is empty, the inner surface is 

 thrown into longitudinal folds, which 

 disappear in its distended state. 

 Furthermore, it presents, especially 



Fig. 202. Blood-vessels of the smooth muscles 

 of the intestine, x 45. 



Fig. 203. Perpendicular section through the 

 tunics of the Pig's stomach, from the pylorus, 

 x 30 : a, glands ; b, muscular layer of the mucous 

 membrane; e, submucous tissue {tunica nerved), 

 with divided vessels ; d, transverse layer of muscles ; 

 e, longitudinal layer of muscles ; /, serous mem- 

 brane. 



Fig. 203 



