

646 



TEXTBOOK OF ZOOLOGY 



The Digestive System 



The most anterior portion of tliis system is the buccal cavity or 

 mouth. It contains the teeth, which are set in alveoli or sockets in 

 the jaws, and the tongue on which are located taste huds. The roof 



INTERNAL 

 CAROTID 



EXT. CAROTID 



COMMON 



CAROTID 



SUP. THYROID 



SUBSCAPULAR 



SUBCLAVIAN 

 LONG THORACIC 

 INNOMINATE 



PULMONARY 

 DORSAL AORTA 

 C CELIAC 



HEPATIC 



GASTRO- 

 5 RLE NIC 



SUPERIOR 

 MESENTERIC 



ADRENO -LUMBAR 



RENAL 



OVARIAN 



INF. MESENTERIC 



ILIOLUMBAR 



EXT. ILIAC 



INT. ILIAC 



CAUDAL 



Fig. 350. — Heart and arteries of cat (ventral view). (Drawn by Titus Evans.) 



