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(A) Cells arranged in rows (arrows). (B) Two oligodendrocytes arranged in rows (Olig1 and Olig2) enveloped by astrocytes (As) and containing intermediate filaments in their cytoplasm (f) and joined by desmosomes (black arrowhead). Myelinated (empty arrowheads) and unmyelinated axons (Ax) are indicated in the image. Scale bars: A: 10 μm, B: 1000 nm.
