[Onychia mediana canaliformis with "extension" on the skin of the end phalanx of the same finger].
D000328:Adult; D005385:Fingers; D006801:Humans; D008297:Male; D009264:Nails, Malformed / Q000150:complications* / Q000235:genetics
Sredinnaia kanaloobraznaia onikhiia s "prodolzheniem" na kozhe kontsevoĭ falangi togo zhe pal'tsa.