G T Ghooray

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The aims of this study were to observe the timing and sequence of myelin formation in the opossum's spinal cord by using myelin basic protein (MBP) immuno-histochemistry and to determine whether the onset of myelination, as demonstrated by the presence of MBP or galactocerebroside (GalC)-like immuno-reactivity (LI), correlates temporally with the end of the(More)
We have shown previously that rubrospinal axons grow around a lesion of their pathway in developing opossums and that a critical period exists for that plasticity. As a first step toward addressing the possibility that glial maturation and/or the development of an astrocytic response to lesioning contribute to loss of rubrospinal plasticity, we have studied(More)
We have employed immunohistochemistry and the retrograde transport of Fast blue to study the origin of serotoninergic projections to the lumbosacral spinal cord at different stages of development in the North American opossum. A few serotoninergic axons are present in the lumbosacral cord at birth, 12 days after conception, and serotoninergic neurons are(More)
We have shown previously that rubral axons grow around a lesion of their pathway in developing opossums and that a critical period exists for that plasticity. The critical period begins when rubral axons first reach the level of the lesion and ends sometime between postnatal days (PD) 26 and 30. The aim of the present study was to examine the development of(More)
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