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THYROID HORMONE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any of several closely related compounds that are produced by the thyroid gland and are active metabolically
Classified under:
Hypernyms ("thyroid hormone" is a kind of...):
endocrine; hormone; internal secretion (the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect)
Hyponyms (each of the following is a kind of "thyroid hormone"):
calcitonin; thyrocalcitonin (thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone)
T; tetraiodothyronine; thyroxin; thyroxine (hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells)
liothyronine; T; triiodothyronine (thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer)
Context examples:
This drug was designed to have minimal uptake in nonhepatic tissues thereby avoiding many of the adverse effects associated with thyroid hormone treatment.
(Eprotirome, NCI Thesaurus)
It also includes supplements with iodine, vitamin B-12, potassium, thyroid hormone, liver extract, and pancreatic enzymes.
(Gerson therapy, NCI Dictionary)
Abnormally low levels of thyroid hormones due to a disorder originating within the hypothalamic-pituitary axis.
(Central Hypothyroidism, NCI Thesaurus)
Thyroid hormone deficiency present at birth that is associated with ectopic thyroid tissue located in the neck region.
(Congenital Hypothyroidism with Ectopic Thyroid, NCI Thesaurus)
A deficiency of thyroid hormone present at birth.
(Congenital Hypothyroidism, NCI Thesaurus)
Cytomel is made in the laboratory and is a form of the thyroid hormone triiodthyronine (T3).
(Cytomel, NCI Dictionary)
Iodine requirements increase during pregnancy, and the fetus depends on this mineral to make thyroid hormone and to ensure normal brain development.
(Iodine deficiency may reduce pregnancy chances, National Institutes of Health)
It is caused by the formation of antibodies that attack the thyroid gland and it usually causes hypothyroidism (too little thyroid hormone).
(Autoimmune thyroiditis, NCI Dictionary)
Agents that are used to treat hyperthyroidism by reducing the excessive production of thyroid hormones.
(Antithyroid Agent, NLM, Medical Subject Headings)
These industrial chemicals are powerful endocrine disruptors that mimic the activity of the human body's most active thyroid hormone.
(Bacteria living in marine sponge produce toxic compounds found in man-made products, NSF)
