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γ

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SEE: gamma.

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G

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1. The newtonian constant of gravitation. 2. Symbol for giga, 109, in SI units.

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g

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1. Symbol for the standard force of attraction of gravity, 980.665 m/sec2, or about 32.17 ft/sec2. 2. gingival; gram; gender.

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Ga

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Symbol for the element gallium.

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GABA

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gamma-aminobutyric acid.

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gabapentin

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(gab″ă-pen′tin) A gamma-aminobutyric acid (GABA) administered orally in adjunct with other treatment of adults with partial seizures with and without secondary generalization. Its U.S. Food and Drug Administration—approved therapeutic class is anticonvulsant.

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gadfly

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(gad′flī″) A fly belonging to the family Tabanidae that lays eggs under the skin of its victim, causing swelling simulating a boil. Multiple furuncles appear with hatching of larvae. SEE: botfly; warble.

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gadolinium

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(gad″ŏl-in′ē-ŭm) [Johan Gadolin, Finnish chemist, 1760–1852 + -ium] SYMB: Gd. A chemical element of the lanthanide series, atomic weight (mass) 157.25, atomic number 64. It is used as a contrast agent in magnetic resonance imaging, as a gamma ray source in bone densitometry, and in quality assurance tests of nuclear medicine imaging devices.

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GAF

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Global Assessment of Functioning.

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gag

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1. A device for keeping the jaws open during surgery. 2. To retch or cause to retch. SEE: gag reflex. 3. To restrict free speech or expression.

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gag clause

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Any item in a contract that restricts free speech or personal expression.

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gain

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(gān) 1. To increase in weight, strength, or health. 2. In electronics, the amplification factor for a given circuit or device. 3. The real or imagined positive effect of an action or situation. For example, an illness might allow a person to put off going to school or meeting some other obligation such as a court appearance.

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brightness g. The increase in the intensity of a fluoroscopic image by the use of an image intensifier.

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secondary g. The advantage gained by the patient indirectly from illness, such as attention, care, and release from responsibility.

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gait

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(gāt) A manner of walking.

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PATIENT CARE: Patients with gait problems should be evaluated by an interdisciplinary team, often including a neurologist, physiatrist, physical therapist, occupational therapist, and home health nurse. The home or care setting should be assessed for hazards that may increase the risk of falling; it should be altered to enhance its safety. Care providers should be taught how to safely assist an individual who has fallen, without compounding ...

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