DISSECTION OF A MALE FROG 



Fig. 3.— Dissection of a Male Frog. The enteric canal and liver are displaced to 

 the animal's left, and part of the liver is cut away. Some of the muscles are 

 cut away and certain nerves and blood-vessels traced into the head and 

 limbs. 

 abd.v. abdominal vein ; hr. brachial artery, vein, and nerve ; cxl. ines. splanchnic 

 or cceliaco - mesenteric artery; cp. ad. right fat -body; dm. duodenum; 

 ext.ju. external jugular vein \ fin. femoral vein; gl.bl. gall-bladder; hp.pt. 

 hepatic portal vein; hp.v. hepatic vein; Ir. liver; m.c.v. musculo-cutaneous 

 vein; Jiiy.hy. mylohyoid muscle ; /(-(/. pericardium ;/. c. /(y. anterior corjiu of 

 hyoid ; pt.cv. postcaval vein; pul. a. pulmonary artery; ptil. v. pulmonary 

 vein; pv. pelvic vein; r.au. right auricle; ret. rectum; r.kd. right kidney; 

 r. Ing. right lung ; r. pr. cv. right precaval vein ; r>i. pt. right renal portal 

 vein ; r. spy. right spermary ; s. int. ileum ; spl. spleen ; st. stomach ; j. v. 

 sinus venosus ; t}-. a. conus arteriosus ; u. bl. urinary bladder ; iir. ureter ; 

 V. ventricle ; vs. ■'^vt, seminal vesicle. 



