THE STOMACH AND INTESTINE. 



273 



Fl g- 215. Illustrations of models, made after Corn's wax-plate reconstruction 

 method, of glandular structures and duodenal villi of the human intestine ; X loo : a, 

 Funclus gland ; b, three pyloric glands ; the one at the left is a simple tubular gland' 

 the middle one a branched tubulo-alveolar gland ; the one at the right a typical pyloric 

 gland of the branched tubular variety ; c, leaf-shaped villi and crypts of Lieberkuhn of 

 the duodenum ; d t crypts of Lieberkuhn of the large intestine. 

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