192 



ELEMENTS OF HISTOLOGY. [Chap, xxm. 



At the root of the tongue the mucous membrane 

 is much thicker, and contains in its mucosa numerous 

 lymph follicles and diffuse adenoid tissue. Thus 



a 



Fig. 111. From a Vertical Section through a Circumvallate Papilla 

 of the Tongue of a Child. 



a, The stratified pavement epithelium covering the fold around the papilla; 

 6, the mucous membrane ; *, the serous glands ; g, the pit between the fold 

 and the papilla ; in the epithelium of this latter are seen the "taste gublete." 

 (Atlas.) 



numerous knob-like or fold- like prominences of the 

 mucosa are produced. There are also minute pits or 

 crypts leading into the depth of these prominences. 



260. The papillae circiimvallatae (Fig. Ill) 

 are large papillae fungiformes, each surrounded by a fold 

 of the mucosa. They contain taste goblets or buds 



