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Related to tennis toe: runner's toe
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Bleeding beneath the toenail resulting from repeated friction with the inside of the shoe. It produces a dark blue or black discoloration of the nail. It is a common problem of athletes who participate in sports that involve repetitive running, jumping, stopping, and starting.
See also: toe
Medical Dictionary, © 2009 Farlex and Partners