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Mitochondriopathy in the perikarya of sympathetic neurons of aged mouse SMG-CG. (A) Enlarged mitochondria involving the perikaryon and adjacent proximal dendrites. Magnification bar: A, 10 μm. (B, C) Variation in the appearance of megamitochondria includes enlarged forms with relatively well maintained cristae (B), shortened cristae with lucent or granular matrix (C) or intramitochondrial vacuoles. Magnification bars: B, C, 2 μm.
