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flavin adenine dinucleotide.
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(fād′ing) 1. In electronics, signal attenuation. 2. Gradual loss of strength or intensity; degeneration. 3. In education, the stepwise withdrawal of instructional prompts to determine whether a student can perform a new skill on his own.
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Fetal akinesia deformation sequence.
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(fē″kă-lē-bak″tēr′ē-ŭm) [L. faex, sediment, dregs + bacterium] A genus of gram-negative rod-shaped commensal bacteria that live in the gastrointestinal tract.
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(fă-gā′lēz″) [L. fagus, beech] An order of flowering trees and shrubs that includes the families of the alder, birch (Betulaceae), and hazel. The pollen from such trees causes hay fever, principally in the early spring.
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(far) Ger. pathologist, 1877–1945.
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F.'s syndrome A rare autosomal dominant movement disorder caused by the abnormal accumulation of calcium in the basal ganglia and the cerebral cortex.
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Fahrenheit, Daniel Gabriel
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(far′ĕn-hīt″) Ger.-Dutch physicist, 1686–1736.
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F. scale ABBR: F. A temperature scale with the freezing point of water at 32° and the boiling point at 212° . SEE: table; Celsius 1scale; Kelvin 1scale.
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F. thermometer A thermometric scale used in many English-speaking countries in which the boiling point is 212°F and the freezing point is 32°F. SEE: tables at Celsius thermometer under Celsius, Anders).
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failed back surgery syndrome
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Persistent or recurring low back pain (with or without sciatic symptoms) in patients who have undergone one or more surgeries on a lumbar disk.
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fail-first requirement
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A method of drug plan formulary control in which a patient must try a less expensive drug before ...