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neural tube

Go to external page http://purl.obolibrary.org/obo/UBERON_0001049

In the developing vertebrate, the neural tube is the embryo's precursor to the central nervous system, which comprises the brain and spinal cord. The neural groove gradually deepens as the neural folds become elevated, and ultimately the folds meet and coalesce in the middle line and convert the groove into a closed tube, the neural tube or neural canal (which strictly speaking is the center of the neural tube), the ectodermal wall of which forms the rudiment of the nervous system. [WP,unvetted]. [ http://en.wikipedia.org/wiki/Neural_tube ]

This is just here as a test because I lose it