THE TONGUE 



1109 



spaces between the lingual follicles, usually opening upon the surface but in many cases into 

 the crypts. Anteriorly, they extend a short distance along the posterior portion of the lateral 



Fig. 857. — Vertical Section of a Human Vallate Papilla With Lingual Glands. 



X 25. (Lewis and Stohr.) 



Secondary papillae Taste bud 



Orifice 

 of a 

 serous 

 gland 



Va"a*^e pap'i'a 

 Groove 



Tuica propria 



Small 

 papilla 



Epithelium 



Striated 

 muscle 



Muscle fibres in cross 

 and longitudinal section 



Nerve with 

 small ganglion 



Mucous 

 gland 



Fig. 858. — Inferior Surface of th?: Tongue. (Modified from Spaltholz.) 



Apex linguae 



Inferior surface 

 Lateral margin 

 Plica fimbriata 



Ranine vein 

 Lingxial vein 



Sublingual fold 

 Sublingual caruncle 



margin of the tongue, and also occupy small areas in and near the mid-line in front of the vallate 

 papillae. 



In the immediate region of the vallate papillae, and in the small lateral areas corresponding 



