346 ANIMAL PHYSIOLOGY. 
Fie. 290.—Stomach, intestine, and mesentery, with mesenteric blood-vessels and lacteals 
(slightly reduced from a figure in the original work of Asellius, published in 1628) (after 
Flint). A, .4,.A,.4A, A, mesenteric arteries and veins ; B, B, B, B, B, B, B, B, B, B, lacteals ; 
C,C, C, C, mesentery; D,D, stomach; £, pyloric portion of stomach; F, duodenum ,; 
G,G,G, jejunum ; H, H, H, H, H, ileum; J, artery and vein on fundus of stomach ; K, 
portion of omentum. 
epithelium of the villus, and, independently themselves, carry 
them inward, reach the central lacteal and break up, thus releas- 
ing the fat. How the fat gets into the covering epithelium is 
