Endodermal inclusions of the heart. So-called mesotheliomas of the atrioventricular node.
D000328:Adult; D005260:Female; D006327:Heart Block / Q000151:congenital; D006329:Heart Conduction System / Q000196:embryology / Q000473:pathology*; D006338:Heart Neoplasms / Q000196:embryology / Q000473:pathology*; D006801:Humans; D008654:Mesothelioma / Q000196:embryology / Q000473:pathology*