title: [Definition of the organell concept].
abstract: Since the essential cytological functions are endergonic processes, the organelle cannot be defind without considering the necessary energy transfer. Therefore, a sensible definition may read: The Organelle is a cytoplasmatic structure capable of funtional energy consumption (Frey-Wyssling 1977).
mesh_terms: D004734:Energy Metabolism; D009940:Organoids; D009626:Terminology as Topic
vernacular_title: Zur Definition des Organell-Begriffes.