Medical Definition of humoral
1: of, relating to, proceeding from, or involving a bodily humor (as a hormone) <humoral control of sugar metabolism>
2: relating to or being the part of immunity or the immune response that involves antibodies secreted by B cells and circulating in bodily fluids <humoral immunity> <humoral immune response> <humoral system of immunity>—compare cell-mediated
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Dictionary: Definition of "humoral"
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