thi·o·u·ra·cil (th   -y r  -s l)n. A white crystalline compound that interferes with the synthesis of thyroxine, used to reduce thyroid gland activity, especially in the treatment of hyperthyroidism. |
thiouracil
[thī′ōyoo͡r′əsil]
Etymology: Gk, theion, sulfur, ouron, urine
a chemical compound derived from thiourea that inhibits the formation of thyroxine in the thyroid gland and is used to treat hyperthyroidism.
thiouracil
a thyrotoxic agent that inhibits the oxidation of iodine thus preventing the formation of thyroxine. Used to treat hyperthyroidism, and has been used as a fattening agent in cattle.
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