THE VILLI. 



247 



fine retiform or adenoid tissue, which forms the framework or 

 stroma in which the other constituents are contained. 



The surface of the villus is clothed by columnar epithelium, 

 which rests on a fine basement-membrane; while within this 



(From Teichiminn.) A, lacteals in villi. p, Payer's glands. Band D, superficial 

 and deep network of lacteals in sulmiucous tissue. L, Lieberkiihn's glands. K, small 

 branch of lacteal vessel on its way to mesenteric gland. 11 and o, muscular fibres of 

 intestine, s, peritoneum. 



are found, reckoning from without inwards, bloodvessels, fibres 

 of the muscularu mucosce, and a single lymphatic or lacteal 



