protein-bound iodine

protein-bound iodine
protein-bound iodine n the amount of iodine expressed in micrograms per 100 milliliters of blood serum that is precipitated with serum proteins and that serves as a measure of the activity of the thyroid gland <the protein-bound iodine in the normal human being ranges from 4 to 8 micrograms, in hypothyroidism falls below this range, and in hyperthyroidism rises above it>

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(PBI) iodine bound to protein in the blood serum, measured in the protein-bound iodine test.

Medical dictionary. 2011.

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  • protein-bound iodine — noun : the amount of iodine expressed in micrograms per 100 milliliters of blood serum that is precipitated with serum proteins and that serves as a measure of the activity of the thyroid gland the protein bound iodine in the normal human being… …   Useful english dictionary

  • protein-bound iodine test — (for thyroid function) a formerly common test in which the amount of iodine firmly bound to protein in the serum was determined by precipitating the proteins, yielding an estimate of serum thyroid hormone concentration. Errors were introduced if… …   Medical dictionary

  • Iodine — An essential element in the diet used by the thyroid gland to make thyroid hormones. The two most important thyroid hormones are thyroxine (T4) and triiodothyronine (T3). Thyroxine (T4) has four iodine molecules attached to its structure, while… …   Medical dictionary

  • protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …   Universalium

  • Protein skimmer — A protein skimmer or foam fractionator is a device used mostly in saltwater aquaria to remove organic compounds from the water before they break down into nitrogenous waste. Protein skimming is the only form of filtration that physically removes… …   Wikipedia

  • bound — 1. Limited, circumscribed; enclosed. 2. Denoting a substance, such as iodine, phosphorus, calcium, morphine, or another drug, that is not in readily diffusible form but exists in combination with a high–molecular weight …   Medical dictionary

  • PBI — Protein bound iodine (Yodo ligado a proteínas) …   Diccionario de siglas médicas y otras abreviaturas

  • PBI — Protein bound iodine (Anglais. En franc. = Iode lié aux protéines). Dites aussi iode protéique sérique. L iode organique est presque totalement lié aux protéines et provient des hormones thyroïdiennes …   Sigles et Acronymes francais

  • hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …   Universalium

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

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