bioassay
has definitions from the fields of medicine,chemistry
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[ noun ] (medicine) appraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard
Used in print (Jacob Robbins et al., "The thyroid-stimulating...)At the present_time we do not know by what biochemical_mechanism TSH acts_on the thyroid , but for bio-assay of the hormone there are a number of properties by which its activity may be estimated , including release of iodine from the thyroid , increase in thyroid weight , increase in mean height of the follicular cells and increase in the thyroidal uptake of * * f . In evaluating data on the concentration of TSH in blood , one must examine critically the bio-assay methods used to obtain them . Related terms |
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[ verb ] (chemistry) subject to a bio-assay
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