Decussatio pyramid and optical chiasm evolutionary process. Useful example for better understanding some cervical and spinal cord phenomena

      Аннотация: From evaluative pattern of invertebrates and vertebrates, some interesting peculiarities can be easily observed and some change in environmental world colonized produced strange anatomic configurations.For example, decussatio piramidy present in motors system and the cervical vertebrae tract.This kind of evolutionary process can be responsible of a sort of intrinsic weakness of a system to be Deeply investigate to produce new hypotesis in some spinal cord conditions.

Ключевые слова: decussatio pyramid, Evolutionary process, ALS, neurodegeneration, Brain evolution, weakeness