Postnatal anatomical structure Cardinal organ part 82472 Cardinal organ part Old definition: Anatomical structure which has as its direct parts portions of two or more types of tissue and is continuous with one or more anatomical structures likewise constituted by portions of two or more tissues distinct from those of their complement. Partie d'organe Pieza del órgano Parte dell'organo Anatomical structure, each instance of which has as its direct parts some instance of portions of two or more types of tissue and is continuous with some instance of one or more anatomical structures, likewise constituted by some portions of two or more tissues distinct from those of their complement. Organteil fma:fma82472