Summary
The ultrastructure of normal and irradiated satellite cells of the rat superior cervical ganglia was studied. Each neuron is closely and completely invested by satellite cell cytoplasm. The satellite cell cytoplasm usually contains a number of mitochondria, granular endoplasmic reticulum, Golgi apparatus, lysosome-like bodies, filaments, microtubules, lipid droplets, centriole and cilia. The satellite cell also encloses presynaptic nerve endings, and other nerve fibers. X-ray irradiation produces several changes in the satellite cells. These include: (a) increased nuclear density, (b) marked local widening of the perinuclear space, (c) dilation of granular endoplasmic reticulum and loss of attached ribosomes, (d) swelling of mitochondria with disorganization of mitochondrial cristae and loss of matrix, (e) increase in the number of vacuoles, and (f) increase in the number, size and contents of lysosome-like bodies.
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Chang, P.L., Taylor, J.J., Wozniak, W. et al. An ultrastructural study of sympathetic ganglion satellite cells in the rat 1. Normal and x-ray irradiated satellite cells. J. Neural Transmission 34, 215–234 (1973). https://doi.org/10.1007/BF01367511
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DOI: https://doi.org/10.1007/BF01367511