Fig. 5
From: ‘Dusty core disease’ (DuCD): expanding morphological spectrum of RYR1 recessive myopathies

Inhomogeneous composition of dusty cores. Transversal section of dusty core by EM (a) showing sub-area of accumulated osmophilic material (red line) close to pale sub-area (yellow line), possibly corresponding to the peculiar aspect of increased (red line) and decreased (yellow line) enzymatic activity at NADH (b)