THE EFFECT OF FLUORINE ON THE DEVELOPING HUMAN BRAIN
THE EFFECT OF FLUORINE ON THE DEVELOPING HUMAN BRAIN
Li Du,a Changwu Wan, Xumao Cao, Jialiu Liu
Guiyang, China
SUMMARY: Fifteen fetuses from an endemic fluorosis area that were aborted therapeutically at the 5th–8th month of gestation were compared with 16 aborted fetuses from a non-endemic area. Stereological study of the brains showed that the numerical density of the neuron volume and the undifferentiated neuroblasts as well as the nucleus-cytoplasm ratio of the neurons were increased. The mean volume of the neurons, however, was reduced. The numerical density of volume, the volume density, and the surface density of the mitochondria were significantly reduced. The results showed that chronic fluorosis in the course of intrauterine fetal life may
produce certain harmful effects on the developing brain of the fetus.....................................
Li Du,a Changwu Wan, Xumao Cao, Jialiu Liu
Guiyang, China
SUMMARY: Fifteen fetuses from an endemic fluorosis area that were aborted therapeutically at the 5th–8th month of gestation were compared with 16 aborted fetuses from a non-endemic area. Stereological study of the brains showed that the numerical density of the neuron volume and the undifferentiated neuroblasts as well as the nucleus-cytoplasm ratio of the neurons were increased. The mean volume of the neurons, however, was reduced. The numerical density of volume, the volume density, and the surface density of the mitochondria were significantly reduced. The results showed that chronic fluorosis in the course of intrauterine fetal life may
produce certain harmful effects on the developing brain of the fetus.....................................
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