MAMMALIA 



645 



dilator is antagonistic to a sphincter muscle. The relations of most 

 of the superficial muscles may be observed by reference to Fig. 347. 

 Over four hundred of the muscles of the cat are found in man, and 

 they have approximately the same relative location, function, and 

 nerve supply. 



NASAL CAVITY 



MOUTH CAVITY 



TRACHEA 



OESOPHAGUS 



EXTERNAL 



JUGULAR 



RIGHT CAROTID 



ARTERY 



SUBCLAVIAN A. 



AORTIC ARCH 



PRECAVAL VEIN 



HEART 



RIGHT LUNG 



POSTCAVAL V. 



DIAPHRAGM 



DORSAL AORTA 



LIVER 



STOMACH 



DUODENUM 



PANCREAS 



SPLEEN 



SMALL 



INTESTINE 



RT. ADRENAL 



RT. KIDNEY 



LARGE 



INTESTINE 



R. OVARY 



OVIDUCT 



CAECUM 



FOETUS 



UTERUS 



URINARY BLADDER 



RECTUM 

 URETHRA 



VAGINA 



Fig. 349. — Lateral view of visceral organs of a female cat. (Drawn by Titus Evans.) 



