Villi of the small intestine; magnified about 80 diameters. In the right hand figure the lacteals, a, b, c, are filled with white injection; d, blood vessels. In the left-hand figure the lacteals alone are represented, filled with a dark injection. The epithelium covering the villi, and their muscular fibers, are omitted.
Martin, H. Newell & Martin, Ernest G. The Human Body: An Account of Its Structure and Activities and the Conditions of its Healthy Working (New York: Henry Holt and Company, 1917) 454
2301×2400, 1.2 MiB
981×1024, 184.2 KiB
613×640, 93.9 KiB
306×320, 32.3 KiB