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Effects of maternal administration of endoxan, vitamin A and vitamin B12 on the development of the fetal spinal cord of the albino mouse.

The effects of maternal administration of endoxan, vitamin A and vitamine B12 were studied on the cervical fetal spinal cord of the albino mouse. Endoxan caused dorsal and ventral herniation of the spinal cord, chromatolysis and degeneration of the neuroblasts together with neuroglial proliferation. Vitamin A and B12 resulted in an increase in the surface areas of both grey and white matter and an increase in the volume of the neuroblasts. The possible mechanisms concerned were discussed.