

780 



TASTE 



[CH. LV. 



(2.) Fungiform. The fungiform papillae (3, fig. 478) are scattered 

 chiefly over the sides and tip, and sparingly over the middle of the 



FIG. 478. Papillar surface of the tongue, with the fauces and tonsils. 1,1, Circumvallate papilla; in 

 front of 2, the foramen caecum ; 3, fungiform papillae ; 4, filiform and conical papillae ; 5, transverse 

 and oblique rugae ; 6, mucous glands at the base of the tongue and in the fauces ; 7, tonsils ; 8, part 

 of the epiglottis ; 9, median glosso-epiglottidean fold (fraenum epiglottidis). (From Sappey.) 



dorsum, of the tongue ; their name is derived from their being shaped 

 like a puff-ball fungus. (See fig. 480.) 



(3.) Conical and Filiform. These, which are the most abundant 

 papillae, are scattered over the whole upper surface of the tongue, 

 but especially over the middle of the dorsum. They vary in shape, 

 some being conical (simple or compound) and others filiform ; they 

 are covered by a thick layer of epithelium, which is either arranged 



