grid

grid
1. A chart with horizontal and perpendicular lines for plotting curves. 2. In x-ray imaging, a device formed of lead or aluminum strips for preventing scattered radiation from reaching the x-ray film. [M.E. gridel, fr. L. craticula, lattice]
- Amsler g. SYN: Amsler chart.
- focused g. a g. (2) in which the divergent beam of x-rays from a particular distance range will be parallel to the lead strips.
- Wetzel g. chart of growth, plotting height, weight, physical fitness and related aspects of young and adolescent children during growth.
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gay-related immunodeficiency [syndrome]

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(grid) 1. an arrangement of thin lead strips separated by a radiolucent medium; used to reduce the amount of scattered radiation reaching the x-ray film. 2. a chart with horizontal and perpendicular lines for plotting curves.

Medical dictionary. 2011.

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