DIGESTIVE SYSTEM. 189 



are longer than the crypts in the cardiac end; 

 towards the pyloric end the glands become shorter, 

 tortuous, and pressed closely against the rnuscu- 

 laris mucosa. Many of the pyloric glands are 

 branched. (3) The parietal cells are numerous in 



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i-li ; PJi 



: -iViA:?*:\.i;;-:U : ^- ; vi= 



i^fe^sp 

 V^s^SBa^F 



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Fig. 138. From a section through the junction of the human esophagus 

 and cardia (Bohm and Davidoff). 



the cardiac region and practically absent in the 

 pyloric. The pyloric mucosa, in this way, conies to 

 resemble that of the small intestine. In addition 

 an occasional villus or Brunner's gland may be found 

 in the pyloric end. 



2. Submucosa. The submucosa in all mucous 

 membranes is highly vascular. Besides blood and 

 lymph there is an abundant supply of connective- 



