This, in turn, can lead to infections, acne, and other skin problems. If you want an efficient routine, these step-by-step instructions will teach you how to clean makeup brushes in less than five minutes: 1. Turn on your faucet and let the water run until it is warm.
protein-bound iodine test (PBI). Blood test to measure the concentration of thyroxine (T4) circulating in the bloodstream. The iodine becomes bound to theprotein in the blood and can be measured. Useful in extablishing thyroid function.
thyroxine, thyroxin. a hormone of the thyroid gland that contains iodine and is a derivative of the amino acid tyrosine. The chemical name for thyroxine is tetraiodothyronine (symbol, T 4); it is formed and stored in the thyroid follicles as thyroglobulin, the storage form. thyroid hormone that contains iodine and is a derivative of the amino acid tyrosine, occurring naturally as l-thyroxine; its chemical name is tetraiodothyronine.