AND, AXON, BIOLOGY, BLACK, BRAIN, BW, CELL, DIAGNOSE, DIAGNOSTIC, FIBER, HISTOLOGICAL, HISTOLOGY, IMAGE, IMAGING, LIGHT, LM, LMS, MEDIA, MEDICAL, MEDICINE, MICROGRAPH, MICROGRAPHS, MICROSCOPIES, MICROSCOPY, MYELIN, MYELINATED, NERVE, NERVOUS, PHOTOMICROGRAPH, SYSTEM, W, WHITE,