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Medical Dictionary


noun gra·di·ent \ˈgrād-ē-ənt\

Medical Definition of GRADIENT

:  change in the value of a quantity (as temperature, pressure, or concentration) with change in a given variable and especially per unit on a linear scale
:  a graded difference in physiological activity along an axis (as of the body or an embryonic field)
:  change in response with distance from the stimulus
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