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.
The thyroid gland produces the hormones thyroxine, triiodothyronine, and calcitonin. Thyroxine and triiodothyronine are produced by thyroid folliclar cells. Thyroid cells absorb iodine from certain foods and combine the iodine with tyrosine, an amino acid, to make thyroxine (T4) and triiodothyronine (T3).