ELECTRON MICROSCOPY: NERVOUS: NERVE: Myelinated peripheral nerve. (EM-labeled); RCH/AMC1399, small myelinated axon, inner mesaxon is clearly seen, distinct basal lamina at junction of Schwann cell and endoneurium, excess of basal lamina is noted in two locations. 1-axon, 2-inner mesaxon, 3-endoneurial collagen, 4-exce