Functional magnetic resonance imaging
Functional magnetic resonance imaging: The use of magnetic resonance imaging (MRI) to learn which regions of the brain are active in a specific function, as in speech. Abbreviated fMRI. See also: Magnetic resonance imaging
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A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not work normally and there is gastro-esophageal reflux. Fundoplication has been the standard surgical method for treating gastro-esophageal reflux disease (GERD). GERD is the constellation of inflammation, pain (heartburn), and complications that results when acid refluxes (regurgitates) from the […]
- Fundus
Fundus: In medicine, the bottom or base of an organ. For example, the fundus of the eye is the retina. However, the fundus of the stomach is inexplicably the upper portion. From the Latin for ‘the bottom.’
- Fundus, retinal
Fundus, retinal: The interior lining of the eyeball, including the retina (the light-sensitive screen), optic disc (the head of the nerve to the eye), and the macula (the small spot in the retina where vision is keenest). The fundus is the portion of the inner eye that can be seen during an eye examination by […]
- Fungal nail infection
The most common fungus infection of the nails is onychomycosis. Onychomycosis makes the nails look white and opaque, thickened, and brittle. Those at increased risk for developing onychomycosis include: People with diabetes; People with disease of the small blood vessels (peripheral vascular disease); and Older women (perhaps because estrogen deficiency increases the risk of infection); […]
- Fungicide
Fungicide: 1. Any agent capable of killing fungi. 2. Any pesticide used to control, deter, or destroy fungi. See also: Fungistat.