Glutamine Synthetase-Containing Cells of the Dorsal Root Ganglion at Different Stages of Rat Ontogeny
2018
In the present study, formation, location, and morphological features of glutamine synthetaseimmunopositive cells of the dorsal root ganglion (DRG) at different stages of prenatal and postnatal development of the rat was examined. It was demonstrated that small differentiating satellite cells containing glutamine synthetase were observed in the DRG close to sensory neurons on embryonic day 18. On embryonic day 19, the forming immunopositive glial cells were located around developing neurons of the DRG in accordance with topography, which is observed in newborn and adult animals. The averaged number of satellite cells per sensory neuron in mature and aging rats was calculated and it was found that this index did not change during aging.
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