Postnatal anatomical structure Organ 67498 Órgano Old definition: Anatomical structure which has as its direct parts portions of two or more types of tissue or two or more types of cardinal organ part which constitute a maximally connected anatomical structure demarcated predominantly by a bona fide anatomical surface. Examples: femur, biceps brachii, liver, heart, skin, tracheobronchial tree, ovary. fma:fma67498 Organ Organo Organe Anatomical structure, each instance of which has a maximal complement of instances of two or more types of tissue or one or more types of essential morphologic unit, a predominantly bona fide boundary and intrinsic vasculature and neural network. Examples: liver, lung, kidney, stomach, urinary bladder, gall bladder.