[The evolutionary principle in histology].
The A.A. Zavarzin's law of parallel lines in tissue evolution showing the appearance of a common tissue organization pattern is the major regularity of the cellular development of animals in phylogenesis. It carries out the metabolism principally similar in all animals in their interaction with the environment. The A.A. Zavarzin's law of parallel lines is also the main regularity of the evolution of tissue interrelations bringing about the principal processes of metabolism. The tissue evolution as well as the evolution of the organism is under the influence of factors of heredity, variability and natural selection. These factors however have an influence mediated by the organism evolution. The precess of cephalization represents a fairly important manifestation of the evolution of animals. The theory of general histogenesis reflects the main regularity of the cellular development in ontogenesis of man and animals. Being a further development of the conception of the A.A. Zavarzin's tissue evolution this theory shows the development of the animal cellular structure as a single general process of histogenesis, beginning with a zigote and continuing till the end of the organism life. The integration, heterochronia and determination manifest themselves in this process of differentiation of cells, tissues and intertissue relations.
D005075:Biological Evolution; D006653:Histology / Q000266:history*; D049673:History, 20th Century
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