DISSECTION OF THE HEAD AND NECK 



315 



(/) Vocal process (processus vocalis). 



(g) Muscular process (processus muscularis). 



Cuneiform Cartilage (Cartilago cuneiformis [Wrisbergi] ). 



Was this present on each side in the subject under dissection? 



Crico-arytaenoid Joint (Articulatio cricoarytaenoidea). 



(a) Joint-capsule (capsula articularis cricoarytaenoidea). 



(b) Posterior crico-arytaenoid ligament (Lig. cricoarytaenoideum pos- 



terius). 



The student is advised to read at this juncture on the physi- 

 ology of voice-production and to study the action of the various 

 laryngeal muscles. Why does food not enter the larynx during 

 deglutition? 



TONGUE (LINGUA). 



Examine the following : 



(a) Back of tongue (dorsum linguae). 



(b) Root of tongue (radix linguae). 



To what is it attached? 



(Vide Figs. 125, 137.) 



FIG. 137. 



Epiglottis^ 



Plica glossoepiglottica mediana 

 Vallecula epiglottica 



Plica glossoepiglottica ~ 

 lateralis 



Foramen caecum linguae 

 (Morgagnii) 

 Sulcus terminalis^ 

 linguae 



Papillae lenticulares-----'- 

 Papillae vallatae-* 1 "^" 

 Papillae foliatae-=.- 



Papillae conicae- ' 

 Papillae fungiformes 



Papillae filiformes^- 



Radix linguae 



Tonsilla lingualis 



Folliculi linguales 



Tonsilla palatina (in 



horizontal cross-section) 



-Sinus tonsillaris 



Plica triangularis 

 Arcus glossopalatinus 



Corpus linguae (dorsum) 



-Margo lateralis linguae 

 ._Sulcus medianus linguae 



-Apex linguae 



Dorsal surface of tongue. (After Toldt; Anat. Atlas, Wien, 1900, 2 Aufl., p. 403, Fig. 649.) 



(c) Body of tongue (corpus linguae). 



(d) Inferior surface (fades inferior [linguae]). 



(da) Fimbriated fold (plica fimbriata). 



