308 DIGESTION. 



still unknown, although, it is impossible to resist the belief, 

 that it is instrumental in the propulsion of chyle along the 

 lacteal. 



Fig. 82.* 



The lacteal vessel enters the base of each villus, and pass- 



* Fig. 82. (From Teichmann. ) A, lacteals in villi. p, Peyer's glands. 

 B and D, superficial and deep network of lacteals in submucous tissue. 

 L, Lieberkiihn's glands. E, small branch of lacteal vessel on its way to 

 mesenteric gland. H and o, muscular fibres of intestine, s, peritoneum. 



