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Light microscopy view of extracted hairs. Loose anagen hairs (A) and (B) displaying ruffled cuticles and misshapen hair bulbs positioned at an acute angle to hair shaft. Trichorrhexis nodosa (C) represented as focal longitudinal fractures of inner fibers with outer fibers bulging out causing segmental increase in hair diameter. Trichoptilosis (D) represented as longitudinal splitting of distal hair shaft.
