SENSE OF TASTE. 



867 



Fig. 202. 



Fig. 203. 



Capillary network of fungiform Various forms of the conical compound papillae deprived of their 



papilla of the Tongue. epithelium; a, 6, and especially c, are the best marked, and were 



provided with the stiffest and longest epithelium ; their simple 

 papillae are more acuminated, d approaches the fungiform 

 variety ; e, f come near the simple papulae. Magnified 20 diame- 

 ters. 



they are readily distinguished from the filiform papillae, among which they lie. 

 The filiform papillae (Figs. 203, 204, B), like the preceding, contain a plexus 



Fig. 204. 



A c 



A. Vertical section near the middle of the dorsal surface of the tongue : a, a. Fungiform papillae. &. Filiform 

 papillae, with their hair-like processes, c. Similar ones deprived of their epithelium. Magnified 2 diameters. 



B. Filiform compound papillae : a. Artery, v. Vein. c. Capillary loops of the secondary papillae, b. Line 

 of basement-membrane, d. Secondary papillae, deprived of e, e, the epithelium. /. Hair-like processes of epi- 

 thelium capping the simple papillas. Magnified 25 diameters, g. Separated nucleated particles of epithelium 

 magnified 300 diameters. 



1, 2. Hairs found on the surface of the tongue. 3, 4, 5. Ends of hair-like epithelial processes, showing varie- 

 ties in the imbricated arrangement of the particles, but in all a coalescence of the particles towards the point. 

 5 incloses a soft hair. Magnified 160 diameters. 



