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Characterization of CRD morphology in cryosections before and after treatment with 100% ethanol. (A) Tangential section of CRD treated with 100% ethanol. (B) Tangential section of CRD treated with 100% ethanol and stained with Safranin O. (C) Tangential section of CRD stained with Safranin O in 50% glycerol. (D) For orientation purposes, a cross-section of CRD and surrounding cortex tissue stained with Safranin O in 50% glycerol. Length of scale bar is 50 μm.
