CH. LII.] 



THE TONGUE. 



705 



By other muscles (extrinsic muscles), like the genio-hyoglossus, 

 the styloglossus, fec., the tongue is fixed to surrounding parts ; 

 and by these its larger movements are performed. 



Fig. 526. Papillar mirface of the tongue, with the fauces and tonsil*, i, i, circumvallate 

 papilln', in front of 2, the foramen rwcum ; .3, fungiform papillae ; 4, filiform and 

 conical papilla' ; 5, trannverite and oblique rugse ; 6, mucoiiH glands at the base of the 

 tongue and in the fauces; ;, tonsil*: i. part of the epiglottit) ; <;, median glsiw>- 

 epiglottidean fold (fru-nurn epiglottidiH). (From Sappey.) 



The mucous membrane of the tongue resembles other mucous 

 membranes in essential points of structure, but contains jynjiilln . 

 peculiar to itself. The tongue is also beset with numerous 

 mucous glands (fig. 527) and lymphoid nodules. 



K.P. 



/. 7, 



