1) Tetraiodothyronine 2) Thyroid hormone 3) Thyroxin 1) Tetraiodothyronine 2) Thyroxin 
one of the two major hormones secreted by the thyroid gland (the other is triiodothyronine). Thyroxine`s principal function is to stimulate the ... [11 related articles]
A hormone that is made by the thyroid gland and contains iodine. Thyroxine increases the rate of chemical reactions in cells and helps control growth and development. Thyroxine can also be made in the laboratory and is used to treat thyroid disorders. Also called L-3,5,5
A hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells.
<drug, endocrinology> Thyroid hormone. ... (18 Nov 1997) ... 
(T4) (thi-rok´sin) a thyroid hormone that contains iodine and is a derivative of the amino acid tyrosine; its chemical name is tetraiodothyronine. It is formed and stored in the thyroid follicles as thyroglobulin and released from the gland by the action of a proteolytic enzyme. It is deiodinated in per...
(= T4; tetra-iodothyronine) See thyroid hormones and Table H3.
(T4) Type: Term Pronunciation: thī-rok′sēn, -sin Definitions: 1. The l-isomer is the active iodine compound existing normally in the thyroid gland and extracted therefrom in crystalline form for therapeutic use; also prepared synthetically; used for the relief of hypothyroidism, cretinism, and myxedema....
Thyroxine: Abbreviated T4. A hormone made by the thyroid gland that has four iodine molecules attached to its molecular structure. T4 and other thyroid hormones help regulate growth and control the rate of chemical reactions (metabolism) in the body.
(thi-rok;sin) Also called tetraiodothyronine, or T4. The major hormone secreted by the thyroid gland, which regulates the basal metabolic rate and stimulates protein synthesis in many organs. A deficiency of this hormone in early childhood produces cretinism.
Thyroxine is a hormone which is the active principle of the thyroid gland.
[n] - hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
thyroxin noun hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; `thyroxine is 65% iodine`
(T4) a hormone secreted by the thyroid gland which regulates metabolism.