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. 2011 Aug 27;55(3):e26. doi: 10.4081/ejh.2011.e26

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©Copyright M. Malatesta et al., 2011

This work is licensed under a Creative Commons Attribution NonCommercial 3.0 License (CC BY-NC 3.0).

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Young (a–c) and senescing (d–f) healthy control myoblasts. (a) The myoblast shows an elongated shape and one ovoid nucleus with a reticular nucleolus (Nu) and scarce heterochromatin. In the cytoplasm, rough endoplasmic reticulum (arrows) and a Golgi complex (g) are visible. Scale bar: 1 µm. (b,c) Cytoplasmic details showing free ribosomes (asterisk), well developed rough endoplasmic reticulum (arrows), numerous Golgi complexes (g) and ovoid mitochondria (m). Vacuoles (v) are quite scarce. Bars: 2 µm. (d) The myoblast shows a very elongated shape and one elongated nucleus with scarce heterochromatin. In the cytoplasm, rough endoplasmic reticulum (arrows), residual bodies (r) and vacuoles (v) are visible. Scale bar: 2 µm. (e,f) Cytoplasmic details showing free ribosomes (asterisk), ovoid mitochondria (m), a Golgi complex (g), a residual body (r) and clustered glycogen granules (star). Scale bars: 1 µm.