piedra /pi·e·dra/ (pe-a´drah) a fungal disease of the hair in which white or black nodules of fungi form on the shafts.
piedra
pi·e·dra (p -  dr )n. A fungal disease of the hair marked by small black or white nodular masses. |
piedra
[pē·ā′drə]
fungal disease of the hair shaft characterized by the presence of small black or white nodules. Black piedra is caused by Piedria bortae. White piedra (called trichosporosis) is caused by Trichosporon biegelii. See also trichosporosis.
piedra
a fungal disease of the hair in which white or black nodules of fungi form on the shafts.
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