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Gerontology
October 1999
Institute of Gerontology AMS Ukraine, Kiev, Ukraine.
An internally contradictory character of individual development may suggest a new periodization of the latter. Etagenesis is an age-associated development of an organism from the zygote to death. Ontogenesis is the period of realization of the genetic program of the organism's development under effects of exogenic factors, the period of growth and shaping of its main structure and functions, and the period of formation of its reproductive function.
View Article and Find Full Text PDFLong-term research data which induced the creation of negentropic (thermodynamic) theory of individual development are generalized. Attention is paid to the fact that the motor activity connected with energetic expenses in vital systems is the factor of abundant recreation processes induction providing the very possibility of development which is corresponding to their dysequilibrium, laborability and adaptive abilities. The negentropic theory enables to realize the mechanisms of individual development of both animals and plants.
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