First do no harm
First do no harm: Slogan used in medicine often in the Latin wording “primum non nocere,” a fundamental medical precept of Hippocrates (ca. 460-ca. 377 B.C).
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- First stage of labor
First stage of labor: The part of labor when the cervix dilates fully, to approximately 10 centimeters in diameter. Also known as the stage of dilatation.
- FISH
FISH: Fluorescence in situ hybridization, a molecular cytogenetic technique that tags genetic material with fluorescent molecules. FISH is useful for identifying chromosomes and parts of chromosomes, deciphering chromosome rearrangements, detecting chromosome abnormalities, and detecting and mapping genes. For example, a FISH probe to chromosome 21 allows the detection of cells with trisomy 21 (an extra […]
- Fish bowl granuloma
Fish bowl granuloma: Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called mycobacterium marinum. Fish bowl granuloma is typically acquired by occupational or recreational exposure to salt or fresh water, often resulting from minor trauma during caring for aquariums. The diagnosis is suggested by the history of exposure and […]
- Fish oil, omega-3
A class of fatty acids found in fish oils, especially from salmon and other cold-water fish, that acts to lower the levels of cholesterol and LDL (low-density lipoproteins) in the blood. (LDL cholesterol is the “bad” cholesterol.) Omega-3 fish oil is therefore thought to be a neutraceutical, a food that provides health benefits. Eating fish […]
- Fish odor syndrome
Fish-odor syndrome: An inborn error of metabolism that is associated with an offensive body odor whose scent is similar to the smell of rotting fish. Fish-odor syndrome is due to the excessive excretion of trimethylamine (TMA) in urine, sweat, and breath. This syndrome is caused by a mutation in the gene for the enzyme flavin-containing […]