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Soleus muscle: a and b (control). Normal muscle fibres (F). Peripheral nucleus (N). Endomysium (E). Haematoxylin–eosin (HE) 40×; b, oxidative (O) and glycolytic fibres (G). SDH 40×; c (ischaemia of 4 h). Round hypertrophic fibre (H). Nucleus (N). Endomysium (E). HE 40×; d (ischaemia of 4 h). Irregular distribution of oxidative metabolism enzymes: formazan rough granulations (arrows). Oedema (E), NADH-TR, 40×.
