[Severbal new problems in evolutionary histology].

The classical evolutionary histology as a most important section of theoretical morphology created by workd of A.A. Zavarzin, N.G. Khlopin and A.V. Rumiantsev needs a revision on the basis of achievements of modern morphology, first of all the experimental morphology which have accumulated a vast factual material on a repeated (regenerative, transplantational, inflammatory) morphogenesis, brought about on the basis of the constructive (plastic) activity of tissues which escaped the researchers' attention in the classical period of development of evolutionary histology. A demand to create a new system of the tissue, based on characteristics of their plastic (constructive) activity became urgent. The proposed attempt of the evolutionary classification of tissues comes from the experience of researches of the constructive (plastic) activity of tissues, with the Darwin--Severtsov rule of the dependence of every individual and phylogenetic change of the organization of its pre-existing state taken into consideration.