triiodothyronine
noun
tri·io·do·thy·ro·nine
ˌtrī-ˌī-ə-dō-ˈthī-rə-ˌnēn 
: an iodine-containing hormone C15H12I3NO4 that is an amino acid derived from thyroxine
called also T3
Examples of triiodothyronine in a Sentence
Recent Examples on the Web
This hormone sends signals to the thyroid to create the hormones triiodothyronine (T3) and thyroxine (T4).
—
Dr. Roshini Raj, Health, 14 June 2024
These include thyroid-stimulating hormone, or TSH, which stimulates the thyroid gland to release two other hormones: triiodothyronine, or T3, and thyroxine, or T4.
—Brad Reisfeld, Discover Magazine, 12 Feb. 2024
The hormones that the thyroid gland makes — triiodothyronine, or T3, and thyroxine, or T4 — affect all aspects of your metabolism.
—Mayo Clinic News Network, chicagotribune.com, 4 Oct. 2019
Your thyroid produces hormones like thyroxine and triiodothyronine, which influence many of your body’s systems, according to the Mayo Clinic.
—Zahra Barnes, SELF, 16 Jan. 2018
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Dr. Roshini Raj, Health, 14 June 2024
These include thyroid-stimulating hormone, or TSH, which stimulates the thyroid gland to release two other hormones: triiodothyronine, or T3, and thyroxine, or T4.
—Brad Reisfeld, Discover Magazine, 12 Feb. 2024
The hormones that the thyroid gland makes — triiodothyronine, or T3, and thyroxine, or T4 — affect all aspects of your metabolism.
—Mayo Clinic News Network, chicagotribune.com, 4 Oct. 2019
Your thyroid produces hormones like thyroxine and triiodothyronine, which influence many of your body’s systems, according to the Mayo Clinic.
—Zahra Barnes, SELF, 16 Jan. 2018
Dictionary Entries Near triiodothyronine
Cite this Entry
“Triiodothyronine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triiodothyronine. Accessed 22 Nov. 2024.
Copy CitationMedical Definition
triiodothyronine
noun
tri·io·do·thy·ro·nine
ˌtrī-ˌī-əd-ō-ˈthī-rə-ˌnēn
: a crystalline iodine-containing hormone C15H12I3NO4 that is an amino acid derived from thyroxine and is used especially in the form of its soluble sodium salt C15H11I3NNaO4 in the treatment of hypothyroidism and metabolic insufficiency
called also liothyronine, T3
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