ClipArt ETC
"Dissection of Chelonian heart. r.v., Right half of ventricle; S., septum; l.v., left half of ventricle; r.a., right auricle; l.a., left auricle; l.ao., left aortic arch; r.ao., right aortic arch; p.a., pulmonary arch." -Thomson, 1916

Turtle Heart

"Dissection of Chelonian heart. r.v., Right half of ventricle; S., septum; l.v., left half of ventricle;…