The endocardium.
Brutsaert
D L
DL
University of Antwerp, Belgium.
D000818:Animals; D001692:Biological Transport; D004699:Endocardium / Q000378:metabolism / Q000502:physiology*; D006321:Heart / Q000502:physiology; D006329:Heart Conduction System / Q000502:physiology; D006801:Humans; D012677:Sensation / Q000502:physiology