Age-related changes in nitroxidergic neurons in some nuclei of rat medulla oblongata

Age-related changes in nitroxidergic neurons in some nuclei of rat medulla oblongata The paper presents a comparative study of NO neurons in the solitary tract nucleus, giant-cell, and lateral reticular nuclei in rats at 4, 7, 10, 14, 30, 45, and 60 days old and 3, 6, 12, 18, 24 months old. We determine the active quantitative and qualitative changes that occur in NO-positive neurons in the studied nuclei during the course of postnatal development. A low level of enzyme activity is observed on the first day; it reaches a peak level around the first-third month, then slowly declines. The size and number of nitroxidergic neurons increases, while the relative cell density decreases until the third month of life. We reveal local differences in the ontogenetic development of NO neurons in the studied nuclei. Solitary tract neurons have the highest rate of development, while NO neurons of old animals undergo early and extreme changes as compared to other studied nuclei of rat medulla oblongata. Russian Journal of Developmental Biology Springer Journals

Age-related changes in nitroxidergic neurons in some nuclei of rat medulla oblongata

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SP MAIK Nauka/Interperiodica
Copyright © 2010 by Pleiades Publishing, Ltd.
Life Sciences; Animal Anatomy / Morphology / Histology; Developmental Biology
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