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December 17, 2004

Strange But True!

Q. How do "proximodistal" and "cephalocaudal" tell much about your developmental life as fetus and beyond?

A. The first means "from the body's center outward," as fetal development starts with the tiny elongated mass of cells along the neural groove that become the spinal column, say V. Gregory Payne and Larry D. Isaacs in "Human Motor Development — A Lifespan Approach." Then the body builds generally outward toward the periphery, until even the fingers and toes are complete.


 
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