THE MOUTH 



415 



The submaxillary gland is small, reddish in color, and oval in outline; it is 

 covered by the parotid. Its superficial face is convex, and is marked by rounded 

 prominences. From its deep face a narrow process extends forward about two or 



Fig. 311. — S.\(;itt.\i, Sectio.v of Pharyngeal Region of Pig, Partly Schematic. 

 1, Palate bone; 2, sphenoid bone; H' , .sijhenoidal .sinus; 2" , occipital bone; d, eijiglottis; 4, arytenoid carti- 

 lage; o, thyroid cartilage; 6, root of tongue; 7, mouth cavity; S, isthniu.s fauciuni; 9, hard jjalate; 10, septum nasi; 

 11, ventral muscles of head; a, soft palate; a', free edge of u; b, dorsal wall of pharyn.x; c, forni.x of pharyn.x; d, 

 cavity of laryiL\; e, u, na.so-pharynx; /, oro-pharyn.x; /i, posterior pillar of soft palate; (', dotted line indicating 

 lateral boundary between nasal cavity antl pharynx; k, atlitus laryngis; /, entrance to oesophagus; rn, Eustachian 

 orifice; m, pharyngeal recess; o, posterior naris. (.\fter EUenberger, in Leisering's Atlas.) 



three inches (ca. 5 to 7.5 cm.) beneath the mylo-hyoideus muscle along with the 

 duct. The latter opens near the frenum linguie, but there is no papilla. 



The sublingual gland has an arrangement similar to that of the ox. The pos- 



Diverti- 

 culum 

 (Esopha- 

 gus 



Lesser 

 curvature 



Pylorus 



Fig. 312. — Stomach of Pig, P.\riet.\l Surface. 



The organ contained a rather small amount of ingesta 



and hence is somewhat contracted. 



Diverti- 

 culum 



(Esophagus 



Fig. 313. — Stomach of Pig, Visceral Surface. 

 Organ was fixed in situ and is somewhat contracted. 



terior part (Glandula sublingualis grandicanalaris) is reddish-yellow in color, and 

 is about two inches (ca. 5 cm.) long, and half an inch wide; its posterior end is in 

 relation to the submaxillary gland and its duct. The anterior part is much 



