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The author discusses briefly the various decussations and commissures of the central nervous system from the standpoint of embryologic development, physiology and anatomic structure. The eye and the optic nerve are considered, as by Cajal and others, to be the primary factor which is the basis of other decussations and commissures of the central nervous system. Commissures are present not only as gross elements of fiber tract structure but also in the histologic elements as networks, commissures and decussations within individual nerve cells and also of individual nerve fibers. The phylogenic relationship between primitive nerve network in lower animals with the network in parts of the higher vertebrates is discussed briefly. The latter half of the monograph is devoted largely to the embryologic development of the nuclei and tracts of the cranial nerves. The monograph is well illustrated and has a full biography, which, however, is not so extensive as
Beiträge zur Entwicklung der Strukturen und Kreuzungen im Zentralnervensystem. JAMA. 1938;110(15):1223. doi:10.1001/jama.1938.02790150069041
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