Вывод: четкое понимание диалектического единства структуры и функции, а также понятий "жизнь", "жизнеспособность", "жизнедеятельность", "регенерация", "смерть" позволит реабилитологам избежать ненужных споров и пессимистических прогнозов по вопросу об обратимости и необратимости патологических состояний и восстановлению нарушенных функций.
The aim of this study was to substantiate the definitions of "function", "life", "biological death", "regeneration of tissues" in the aspect of rehabilitology's problems. The authors had offered these definitions and concluded that the clear comprehension of the dialectic unity of structure and function as well as all the above mentioned notions will allow rehabilitologists to avoid the useless discussions and the pessimistic forecasts about the reversibility and irreversibility of pathological states and the distroyed functions' rehabilitation.