ClipArt ETC
"Heart and associated vessels of tortoise. r.a., Right auricle; superior venae cavae (s.v.c.) and inferior vena cava (i.v.c.) enter it. r.v., Right half of ventricle; pulmonary arteries (p.a.) and left aortic arch (l.ao.) leave it; coel., coeliac; d.ao., dorsal aorta. l.a., Left auricle; p.v., pulmonary veins enter it. l.v., Left half of ventricle; right aortic arch (r.ao.), giving off carotids (c.) and subclavians (s.cl.)." -Thomson, 1916

Tortoise Heart

"Heart and associated vessels of tortoise. r.a., Right auricle; superior venae cavae (s.v.c.) and inferior…