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Journal of Undergraduate Research

Keywords

embryology, four dimensions, nervous system

College

Life Sciences

Department

Plant and Wildlife Sciences

Abstract

One of the most complicated and difficult to comprehend organ systems in embryological development is the nervous system. In the study of embryology, one realizes that the understanding of human origin exists and must be studied not only in three dimensions, but also the fourth, i.e. time. The complex folding and sealing of the neural tube, the arching through space and enlargement to form hollow areas for the developing portions of the brain, spinal cord, and neurons, can best be comprehended in a four dimensional manner. One of the greatest mysteries of the human body is still the brain, and if we can understand its development from the beginning, then as Aristotle once said, we can then “have the finest view of it.” Understanding normal development is the first step, a launching pad from which our analysis will aid in the research of abnormal development. Deformities are prevalent in the nervous system development partly because of its large critical period, or time frame during which teratogens are hazardous to it. Sufficient folic acid is needed as early as the day of conception to prevent neural tube defects such as spina bifida, and alcohol must be avoided throughout pregnancy to prevent Fetal Alcohol Syndrome. It is upon this system of embryological development- the nervous system- that I proposed to illustrate in four dimensions.

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