Scanning electron microscopy of the developing septa in the chick heart.
D000818:Animals; D002642:Chick Embryo; D006325:Heart Atria / Q000196:embryology; D006346:Heart Septum / Q000196:embryology* / Q000648:ultrastructure; D006352:Heart Ventricles / Q000196:embryology; D008855:Microscopy, Electron, Scanning