ClipArt ETC
"Heart and adjacent vessels of skate. v., Ventricle; c.a., conus arteriosus; p.i., posterior innominate; v.a., ventral aorta; a.i., anterior innominate; Th., thyroid; m., mouth; a., auricle; s.v., sinus venosus; s.c., precaval sinus or sinus of Cuvier; h.s., hepatic sinus; j., jugular; br., brachials; cd., cardinal; epg., epigastric." -Thomson, 1916

Skate Heart

"Heart and adjacent vessels of skate. v., Ventricle; c.a., conus arteriosus; p.i., posterior innominate;…