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Simple and Combined Symmetries

Abstract

The simplest and most common of all symmetries is bilateral symmetry. Yet at first sight it does not appear so overwhelmingly important in chemistry as in everyday life. The human body has bilateral symmetry, except for the asymmetric location of some internal organs. A unique description of the symmetry of the human body is given by Thomas Mann in The Magic Mountain[2],[1]as Hans Castorp is telling about his love to Clawdia Chauchat:

How bewitching the beauty of a human body, composed not of paint or stone, but of living, corruptible matter charged with the secret fevers of life and decay! Consider the wonderful symmetry of this structure: shoulders and hips and nipples swelling on either side of the breast, and ribs arranged in pairs, and the navel centered in the belly’s softness, and the dark sex between the thighs. Consider the shoulder blades moving beneath the silky skin of the back, and the backbone in its descent to the paired richness of the cool buttocks, and the great branching of vessels and nerves that passes from the torso to the arms by way of the arm pits, and how the structure of the arms corresponds to that of the legs!

Keywords

Symmetry Plane Rotational Symmetry Polar Axis Bilateral Symmetry Symmetry Element 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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© Plenum Press 1995

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