THE ESSENTIALS OF HISTOLOGY 



FIG. 158. SECTION OF 



MUCOUS MKMlfRANK 

 OF MOUTH, SHOWING 

 TIIKKK MICROSCOPIC 

 PAPILLA AND STKA- 

 TIKIKU EPITHE- 



LIUM. THE HLOOD- 

 VESSKLS HAVE KEEN 

 INJECTED. (Toldt.) 



FIG. 159. SECTION OK CIRCUMVALLATE PAPILLA, 

 HUMAN. THE FIGURE INCLUDES ONE SIDE OF THE 

 PAPILLA AND THE ADJOINING PART OF THE 

 VALLUM. (Magnified 150 diameters.) (Heitzmann.) 



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

 vessels ; AI, gland with duct. 



FIG. 100. SECTION OF FUNGIFOKM 

 PAPILLA, HUMAN. (Heitzmann.) 



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

 At, muscular fibres of tongue. 



FIG. 161. SECTION OF TWO 

 FILIFORM PAPILLAE, HUMAN. 

 (Heitzmann.) (Letters as in 

 previous figure.) 



