29Q LABORATORY MANUAL OF HUMAN ANATOMY 



Mucous Membrane of Mouth (Tunica mucosa oris). 



(a) Check-cord of upper lip (frenulum labii superioris). 



(b) Check-cord of lower lip (frenulum labii inferioris). 



(c) Gum (gingiva). 



(d) Sublingual caruncle (caruncula sublingualis). 



(e) Sublingual fold (plica sublingualis} . 



(/) Transverse palatine folds (plicae palatinae transversae). 

 (g) Incisor papilla (papilla incisiva). 

 Glands of Mouth (Glandulae oris). 



(a) Labial glands (glandulae labiales). 



(b) Buccal glands (glandulae buccales). 



(c) Molar glands (glandulae molares). 



(d) Palatine glands (glandulae palatinae). 



(e) Lingual glands (glandulae linguales). 



(f) Anterior lingual gland (glandula lingualis anterior [Blandini, 



Nuhni]) (0. T. gland of Nuhn). 



(g) Sublingual gland (glandula sublingualis). 



(ga) Larger sublingual duct (ductus sublingualis major). 



(gb) Smaller sublingual ducts (ductus sublinguales minores). 

 (h) Submaxillary gland (glandula submaxillaris) . 



(ha) Submaxillary duct (ductus submaxillaris [Whartoni]) (0. 



T. Wharton's duct). 

 (i) Parotid gland (glandula parotis). 



(ia) Retromandibular process (processus retromandibularis) (0. 



T. socia parotidis). 



(ib) Accessory parotid gland (glandula parotis accessoria). 

 (ic) Parotid duct (ductus parotideus [Stenonis]) (0. T. Steno's 



duct). 



(j) Mixed mouth secretions (saliva). 

 Teeth (Denies). 



(a) Superior dental arch (arcus dentalis superior). 



(b) Inferior dental arch (arcus dentalis inferior). 



How many teeth does each arch contain ? 



(c) Incisor teeth (denies incisivi). 



(d) Canine teeth (dentes canini). 



(e) Premolar teeth (dentes praemolares) (0. T. bicuspids). 

 (/) Molar teeth (dentes molares). 



(fa) Late tooth (dens serotinus) (0. T. wisdom tooth). 

 How many of these teeth are present in your cadaver? What is 

 meant by deciduous teeth (dentes decidui) and permanent teeth (dentes 

 permanent es) ? 

 Tongue. (Vide Figs. 125 and 137.) 



(a) Dorsum of tongue (dorsum linguae). 



What is a " coated tongue" ? 



(b) Root of tongue (radix linguae). 



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



(d) Lateral margin (margo lateralis [linguae]). 



(e) Apex or tip of tongue (apex linguae). 



(f) Mucous membrane (tunica mucosa linguae). 



The muscles of the tongue and the details of the mucous mem- 

 brane will be studied later. 



