132 



THE ESSENTIALS OF HISTOLOGY 



FIG. 158. SECTION OF 

 MUCOUS MEMBRANE 

 OF MOUTH. SHOWING 

 THKEE MICROSCOPIC 

 PAPILLAE AND STRA- 

 TIFIED EPITHE- 

 LIUM. THE BLOOD- 

 VESSELS HAVE BEEN 

 INJECTED. (Toldt.) 



FIG. 159. SECTION OF CIRCUMVALLATE PAPILLA, 

 HUMAN. THE FIGURE INCLUDES ONE SIDE OF THE 

 PAPILLA AND THE ADJOINING PART OF THE 

 VALLUM. (Magnified 150 diameters.) (Heitzmarm.) 



E, epithelium ; G, taste-bud ; C, corium with injected blood- 

 vessels ; M, gland with duct. 



FIG. 1GO. SECTION OF FUNGIFORM 

 PAPILLA, HUMAN. (Heitzmann.) 



E, epithelium ; C, corium ; L. lymphoid tissue ; 

 M, muscular fibres of tongue. 



FIG. 161. SECTION OF TWO 

 FILIFORM PAPILL.E. HUMAN. 

 (Heitzmann.) (Letters as in 

 previous figure.) 



