Two-plane symmetry in the structural organization of man

Ermolenko, A.E.

doi:10.1016/j.mehy.2004.02.053

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Volume 64, Issue 1 , Pages 209-214, 2005

Two-plane symmetry in the structural organization of man

Institute of Transplantology and Artificial Organs, Schukinskaja 1, Moscow 123182, Russia

Received 3 December 2003; accepted 19 February 2004. published online 04 October 2004.

Abstract

Manifestations of symmetry in the human structural organization in ontogenesis and phylogenetic development are analysed. A concept of macrobiocrystalloid with inherent complex symmetry is proposed for the description of the human organism in its integrity. The symmetry can be characterized as two-plane radial (quadrilateral), where the planar symmetry is predominant while the layout of organs of radial symmetry is subordinated to it. Out of the two planes of symmetry (sagittal and horizontal), the sagittal plane is predominant:

(a)the location of the organs is governed by two principles: in compliance with the symmetry planes and in compliance with the radial symmetry around cavities;

(b)the location of the radial symmetry organs is also governed by the principle of two-plane symmetry;

(c)out of the four antimeres of two-plane symmetry, two are paired while the other two have merged into one organ;

(d)some organs which are antimeres relative to the horizontal plane are located at the cranial end of the organism (sensory organs, cerebrum–cerebellum, heart–spleen and others).

The two-plane symmetry is formed by two mechanisms – (a) the impact of morphogenetic fields of the whole crystalloid organism during embriogenesis and (b) genetic mechanisms of the development of chromosomes having two-plane symmetry.

When comparing mineral and biological entities we should consider not the whole immobile crystal but only the active superficial part of a growing or dissolving crystal, the interface between the crystal surface and the crystal-forming environment which directly controls crystal growth and adapts itself to it, as well as crystal feed stock expressed in the structure of concentration flows.

The symmetry of the chromosome, of the embrion at the early stages of cell cleavage as well as of some organs and systems in their phylogenetic development is described.