The cardiac lymphatics.
D000818:Animals; D001021:Aortic Valve / Q000033:anatomy & histology; D004285:Dogs; D005112:Extracorporeal Circulation; D006321:Heart / Q000033:anatomy & histology*; D006325:Heart Atria / Q000033:anatomy & histology; D006346:Heart Septum / Q000033:anatomy & histology; D006352:Heart Ventricles / Q000033:anatomy & histology; D007281:Ink; D008208:Lymphatic System / Q000033:anatomy & histology / Q000502:physiology; D008751:Methylene Blue; D008943:Mitral Valve / Q000033:anatomy & histology; D014261:Tricuspid Valve / Q000033:anatomy & histology
D008751:Methylene Blue