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  • Title: Light microscopic observations on cat Renshaw cells after intracellular staining with horseradish peroxidase. II. The cell bodies and dendrites.
    Author: Lagerbäck PA, Kellerth JO.
    Journal: J Comp Neurol; 1985 Oct 22; 240(4):368-76. PubMed ID: 3880356.
    Abstract:
    The cell bodies and dendritic trees of five lumbosacral Renshaw cells of adult cats were studied in the light microscope (LM) after intracellular injection with horseradish peroxidase (HRP). The cell bodies were all located in the ventral part of lamina VII. The dendrites extended up to 0.7 mm from the cell body into the neighbouring parts of laminae VIII and IX as well as into more dorsal parts of lamina VII. The dendritic branching was sparse and about half the dendrites were unbranched. The mean diameter of the cell body was positively correlated to both the combined and mean diameters of the first-order dendrites. Between four and eight dendrites originated from the cell bodies. The number of dendritic end-branches, the combined dendritic length, the mean dendritic length from the cell body to the termination of the end branches, the distance from the cell body to the termination of the most remote end-branch, the dendritic surface area, and the dendritic volume all correlated positively with the diameter of the parent first-order dendrite. The dendritic tapering was somewhat more pronounced in the Renshaw cells than previously observed in alpha- and gamma-motoneurons. The present data are discussed in relation to previous morphological observations on Renshaw cells and alpha- and gamma-motoneurons.
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