Definition of "nailbeds" [nailbeds]

• Plural form of nailbed. (noun)

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• "Refers to a group of congenital heart defects in which there is a normal amount of oxygen in the bloodstream, giving a pink color to the lips and nailbeds."
• "When the fingertips of corresponding digits of opposite hands are directly opposed see illustration, fingernail to fingernail, a small diamond-shaped “window” is apparent between the nailbeds."
• "These diseases cause dilation of the small arteries in the fingertips, which leads to hypertrophy of the tissue of the nailbeds and clubbing of the fingernails."