title: The perineurium as a diffusion barrier to protein tracers in human peripheral nerve.
mesh_terms: D000368:Aged; D000418:Albumins / Q000378:metabolism; D004396:Coloring Agents; D003238:Connective Tissue / Q000378:metabolism*; D004058:Diffusion; D005260:Female; D005267:Femoral Nerve / Q000502:physiology; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D008856:Microscopy, Fluorescence; D008875:Middle Aged; D010525:Peripheral Nerves / Q000502:physiology*; D010544:Peroxidases; D011506:Proteins / Q000378:metabolism*
chemical_list: D000418:Albumins; D004396:Coloring Agents; D011506:Proteins; D010544:Peroxidases