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O.U., o.u.

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L. oculus uterque, each eye.

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ouabain

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(wă-bā′ĭn) A glycoside prepared from Strophanthus gratus (a woody vine native to sub-Saharan Africa). Its action is similar to that of digitalis. SEE: digitalis.

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ounce

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(owns) [Ult. fr L. uncia, a twelfth (of a foot or a pound)] ABBR: oz. 1. In the avoirdupois system, a unit of weight equal to 1/16 of an avoirdupois pound or 28.35 g. 2. In the troy system, a unit of weight equal to 1/12 of a troy pound of a troy pound or 31.103 g. 3. Fluid ounce.

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–ous

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[Fr. -us, -ous, fr. L. -osus, adj. suffix] 1. Suffix meaning possessing, full of. 2. Suffix meaning pertaining to. 3. Suffix used in chemistry in meaning the lower of two valencies. SEE: -ic. SEE: 1 -ose.

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outborn

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(owt′born″) A premature infant who is delivered at a health care facility and then transferred to a tertiary care medical center. SEE: inborn.

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outbreak

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1. The sudden increase in the incidence of a disease or condition. 2. A disease or condition that rapidly spreads through a community.

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common-source o. A disease that begins at a single locus and spreads through a community. The source may be, for example, a contaminated well, an index patient, or a munitions plant.

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outbreeding

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(owt′brēd″ing) The mating of unrelated (or very distantly related) members of a species. It increases the heterozygosity and genetic diversity of offspring. SYN: outcrossing. SEE: inbreeding.

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outcome

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A result or consequence, e.g., of a disease, an interpersonal interaction, a chemical reaction, drug, or operation.

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composite o. In medical research, an outcome that combines several dependent variables, as, in a study of a new drug to prevent stroke, the combined incidence of stroke, heart attack, and death in patients assigned to active treatment. SYN: composite outcome measure.

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expected o. 1. The anticipated results of a therapeutic intervention. 2. The anticipated findings of a scientific investigation. Expected outcomes are most useful when they are described in precisely defined terms.

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functional o. In rehabilitation therapy, a measurable goal that helps a patient perform specific activities of daily living.

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positive o. In health care, the remediation of functional limitations or disability; the prevention of illness or injury; or an improvement in patient satisfaction.

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outcome and assessment information set

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ABBR: OASIS. A group of items that represent the core of a comprehensive assessment for adult home health patients. It forms the basis for measuring patient outcomes for purposes of Outcomes ...

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