Onychoma
onychoma on·y·cho·ma (ŏn’ĭ-kō’mə)
n.
A tumor arising from the nail bed of a fingernail or toenail.
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- Onychomalacia
onychomalacia on·y·cho·ma·la·ci·a (ŏn’ĭ-kō’mə-lā’shē-ə, -shə) n. Abnormal softness of the fingernails or toenails.
- Onychomadesis
onychomadesis on·y·cho·ma·de·sis (ŏn’ĭ-kō’mə-dē’sĭs) n. Complete shedding of a fingernail or toenail, usually associated with a systemic illness.
- Onychomycosis
onychomycosis on·y·cho·my·co·sis (ŏn’ĭ-kō-mī-kō’sĭs) n. A fungal infection of the fingernails or toenails that results in thickening, roughness, and splitting of the nails. It is usually caused by Trichophyton rubrum or T. mentagrophytes. Also called tinea unguium.
- Onychoosteodysplasia
onychoosteodysplasia on·y·cho·os·te·o·dys·pla·sia (ŏn’ĭ-kō-ŏs’tē-ō-dĭs-plā’zhə, -zhē-ə) n. A hereditary skeletal disorder characterized by defects in the nails, hypoplasia of the patella and iliac horns, and renal abnormalities. Also called nail-patella syndrome.
- Onychopathy
onychopathy on·y·chop·a·thy (ŏn’ĭ-kŏp’ə-thē) n. A disease of the fingernails or toenails. Also called onychosis. on’y·cho·path’ic (-kō-pāth’ĭk) adj.