uptake /up·take/ (up´tāk) absorption and incorporation of a substance by living tissue.
uptake
uptake [up´tāk]
up·take ( p t k )n. The absorption by a tissue of a substance, such as a nutrient, and its permanent or temporary retention. |
uptake
[up′tāk]
Etymology: AS, uptacan
the drawing up or absorption of a substance.
uptake [up´tāk]
absorption and incorporation of a substance by living tissue.
biologic uptake movement of hazardous substances from the environment into the tissues of plants or animals.
radioactive iodine uptake (radioiodine uptake) uptake of radioiodine from the blood by the thyroid gland; see radioiodine uptake test.
T3 resin uptake (triiodothyronine resin uptake) the uptake of radioactive triiodothyronine at binding sites on resin, contrasted to uptake at sites on thyroxine-binding globulin in the triiodothyronine resin uptake test.
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