An ultrastructural study of sympathetic ganglion satellite cells in the rat 2. Effect of preganglionic sympathectomy

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Abstract
Summary The ultrastructure of satellite cells of the rat superior cervical ganglion was studied following preganglionic sympathectomy. Several distinct morphological alterations were observed: (a) enlargement of the intercellular space between the ganglion cells and the satellite cells, (b) dilation of the granular endoplasmic reticulum and loss of attached ribosomes, and (c) swelling of the mitochondria with disorganization of the cristae mitochondriales. The presence of degenerating nerve fibers and synaptic boutons was also noted.