Onset
In medicine, the first appearance of the signs or symptoms of an illness as, for example, the onset of rheumatoid arthritis.
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- Onycho- (prefix)
Pertaining to the nails. Examples of medical terms involving “onycho-” include onychodystrophy (abnormal growth and development of the nails), onychomycosis (fungal infection of the nails), onychogryposis (abnormally curved nails) and onychoosteodysplasia (malformation of bones and nails).
- Onychogryphosis
an overgrowth (hypertrophy) and curving of the nails. Onychogryphosis results in a claw-like appearance of the nails and has been referred to as “ram’s horn nails.” It most often occurs due to neglect and failure to properly trim and care for the nails, although some cases have been described as occurring in response to repetitive […]
- Onychogryposis
Abnormally thick curved fingernails or toenails. From the Greek onyx, nail + gryposis, curvature.
- Onycholysis
Loosening of a nail from the nail bed, usually starting at the border of the nail. The nail tends to turn whitish or yellowish, reflecting the presence of air under it. The treatment is to trim the nail short, not to clean under the nail, and to be patient.
- Oath of Maimonides
A traditional oath for physicians attributed to Maimonides and often used as an alternative to the Hippocratic Oath. It is not to be confused with the more lengthy Prayer of Maimonides. “The eternal providence has appointed me to watch over the life and health of Thy creatures. May the love for my art actuate me […]