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(Fetal rat cordotomy group) OX-42 immunostaining after spinal cord transection in the severed spinal cord. (Three days after surgery.) Ramified-type, intermediate-type, and macrophage-like cell. On day 3 after cordotomy, around the severed cord, three types of microglia were observed: small cells with irregular cell 0processes that exist; semicircular cells without cell processes; and cells that fall somewhere between the above two types (scale bar = 50 μm, applicable to all sections)
