Evolutionary significance of morphogenetic mechanisms

Evolutionary significance of morphogenetic mechanisms Different approaches to interpretation of ontogenesis are compared. The importance is emphasized of Ber’s theory of developmental patterns and the law of embryonic similarity. The significance of evolutionary rationalization of morphogenetic mechanisms is discussed (V.N. Beklemishev, V.A. Dogel’ and O.M. Ivanova-Kazas). There are two main pathways of rationalization of morphogenetic mechanisms: by means of epithelial morphogenesis and at the expense of oligocellular primordia (V.N. Beklemishev). When the developmental plans of the taxonomical types are determined, it is important to take into consideration the diversity of morphogenetic mechanisms within a given group in order to reveal morphological spectrums of morphogenetic mechanisms. A comparison of morphogenetic spectrums in different groups provides a wide evolutionary picture and helps us to reconstruct the phylogeny. Influence of morphogenetic mechanisms on the structure of definitive forms is demonstrated: construction technologies determine types of organs, anatomical and histological systems, and even symmetrical features of organisms and their complex parts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Evolutionary significance of morphogenetic mechanisms

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1007/s11179-005-0022-9
Publisher site
See Article on Publisher Site

Abstract

Different approaches to interpretation of ontogenesis are compared. The importance is emphasized of Ber’s theory of developmental patterns and the law of embryonic similarity. The significance of evolutionary rationalization of morphogenetic mechanisms is discussed (V.N. Beklemishev, V.A. Dogel’ and O.M. Ivanova-Kazas). There are two main pathways of rationalization of morphogenetic mechanisms: by means of epithelial morphogenesis and at the expense of oligocellular primordia (V.N. Beklemishev). When the developmental plans of the taxonomical types are determined, it is important to take into consideration the diversity of morphogenetic mechanisms within a given group in order to reveal morphological spectrums of morphogenetic mechanisms. A comparison of morphogenetic spectrums in different groups provides a wide evolutionary picture and helps us to reconstruct the phylogeny. Influence of morphogenetic mechanisms on the structure of definitive forms is demonstrated: construction technologies determine types of organs, anatomical and histological systems, and even symmetrical features of organisms and their complex parts.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Feb 16, 2005

References

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