Smithsonian Report, 1896. 



Plate XVI. 



Ciliated " Epithelium 



Absorbing Epithelium \L 



Processes of Life Revealed by the Microscope. 



Fig. 6. Figures showing the similarity in appearance of the absorbing epithelium of the 

 intestine and of a ciliated epithelium. The free ends of the cells point upward toward the top 

 of the page, and the attached ends toward the bottom of the page, cilia, The minute, hair- 

 like processes projecting from the free end of the cells and constantly swinging rapidly in one 

 direction and returning less rapidly to the starting point. In this way a current is made in the 

 direction of the most rapid motion (indicated by the arrow ) . At the base of the cilia is a clear 

 plate or segment (c x). 



In the absorbing epithelium the segment appearing like the cilia is called the striated border 

 or segment (s^ b) and rests on a clear segment (c s) comparable with that on which the cilia 

 rest. In the absorbing epithelium food particles (/) are represented as passing through the 

 cell from the free end toward the base, as indicated by the arrow. 



