title: Macrophages in peripheral nerves. An ultrastructural and enzyme histochemical study on rats.
abstract: The cellular content of the endoneurium in peripheral nerves of normal adult rats was studied. Endoneurial cells with high light-microscopical activity of acid phosphatase were usually located close to blood vessels or near the perineurium. Cells with the ultrastructural appearance of macrophages showed the same distribution and accounted for 2--4% of the endoneurial cell nuclei profiles. These cells rapidly endocytosed carbon particles after endoneurial administration of colloidal carbon in vitro.
mesh_terms: D000135:Acid Phosphatase / Q000032:analysis; D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D008264:Macrophages / Q000648:ultrastructure*; D008854:Microscopy, Electron; D010525:Peripheral Nerves / Q000201:enzymology / Q000648:ultrastructure*; D051381:Rats
chemical_list: D000135:Acid Phosphatase