Abstract
AbstractThis work offers a new view on the developmental history of tetrapods. It proposes an original evolution model of human limbs based on metameric formation of osteogenic buds in accordance to primary segmentation and biplanar symmetry. While going through evolution, osteogenic buds initially identical to each other were changing their sizes, realigning, regressing, uniting while keeping the direction of the formation in accordance to the following formula (taking into account sesamoid bones):2; 1; 2; 3; 2; 3; 5; 5; 8; 8 (in the upper limb together with the upper limb girdle); 3; 2; 3; 2; 1; 2; 8; 8; 5; 5 (in the lower limb together with the pelvic bones).
Highlights
Discovery of laws governing the evolution of the human body structure is one of the most important tasks of biology
It proposes an original evolution model of human limbs based on metameric formation of osteogenic buds in accordance to primary segmentation and biplanar symmetry
We propose an original concept of the human limb development
Summary
Discovery of laws governing the evolution of the human body structure is one of the most important tasks of biology. There are different views on the mechanisms of the human limb development. Scientists generally accept that human limbs developed from fish fins but it is not clear what type of fins could give origin to the five-finger limb. We propose an original concept of the human limb development. This concept is based on the hypothesis that biological objects have a biocrystalloid structure that imparts symmetry and determines segmentation of live organisms [25, 27]. Its brief explanation with references to certain stages in the evolution of early human ancestors should precede the presentation of the concept as such
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