THE STRUCTURAL AND FUNCTIONAL SYSTEMS 57 



Fig. 33. — Arterial system of the frog, from lateral view. 



1, common carotid artery; 2, systemic artery; 3, pulmo- cutaneous artery; c.a., cutaneous 

 artery; e.g., carotid gland; cm., coeliaco-mesenteric artery; d.a., dorsal aorta; ex.c, 

 external carotid; i.a., iliac artery; i.e., internal carotid; int, branches to intestine; kd, 

 kidney; I, hepatic veins from liver; I.a., lingual artery; la, left auricle; Ig, lung; l.i , 

 large intestine; Ipc, left precaval vein; l.s.a , left systemic artery; pcv, post-caval vein; 

 r a., renal artery; ra, right auricle; t.a., truncus arteriosus; sea., subclavian artery. 



Fig. 34. — Venous system of the frog, from lateral view. 



ob.r., abdominal vein; br.v., brachial vein; d.L, dorso-lumbar vein; f.v., femoral vein; 

 h-p.v., hepatic portal vein; t.;., internal jugular vein; in.v., innominate vein; int, branches 

 to intestine; kd, kidney; la, left auricle; lij, lung; l.i., large intestine; liv, liver; Ipc, left 

 precaval vein; I. p. v., left pelvic vein; l.v., lingual vein; m-c-v., musculo-cutaneous vein; 

 p.c.v., post-caval vein; p.v., pulmonary vein; ra, right auricle; r.p., renal portal vein; 

 r.p.v., right pelvic vein; r.v., renal vein; s.sc. subscapular vein; s.v., sinus venosus; st, 

 etomach; t.a., truncus arteriosus; v, ventricle. 



