| onyx |
a chalcedony with alternating black and white bands; used in making cameos
출처: wordnet.princeton.edu/perl/webwn
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| oncogenic osteomalacia |
oncogenous osteomalacia, osteomalacia occurring in association with usually benign mesenchymal neoplasms. The tumors appear to produce a substance that impairs renal tubular functions such as phosphate transport and hydroxylation of 25-hydroxyvitamin D; hypophosphatemia secondary to reduced renal resorption of phosphate is a major cause of the bone disease.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| one sheet pack |
a wet pack consisting of only one large sheet.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| onion bulb |
in neuropathology, a collection of overlapping Schwann cells resembling the bulb of an onion, encircling an axon that has become demyelinated; seen in progressive hypertrophic neuropathy and similar conditions that are characterized by repeated demyelination and remyelination.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| onanism |
Masturbation is the manual excitation of the sexual organs, most often to the point of orgasm. It can refer to excitation either by oneself or by another (see mutual masturbation), but commonly refers to such activities performed alone. It is part of a larger set of activities known as autoeroticism, which also includes the use of sex toys and non-genital stimulation. There are also masturbation machines used to simulate intercourse. ...
출처: en.wikipedia.org/wiki/Onanism
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