Definition of thyrotropin-releasing hormone in English:

thyrotropin-releasing hormone

Syllabification: thy·ro·tro·pin-re·leas·ing hor·mone
(also thyrotropin-releasing factor)


  • A hormone secreted by the hypothalamus that stimulates release of thyrotropin.
    More example sentences
    • Secretion of TSH (also called thyrotropin), the final member of the glycoprotein hormone family, is stimulated by thyrotropin-releasing hormone, TRH from the hypothalamus.
    • In patients with primary hypothyroidism, there is increased production of thyrotropin-releasing hormone, which may stimulate prolactin release.
    • Suckling, stress, dehydration, exercise, sexual intercourse and sleep increase the basal secretion rate from the pituitary gland, as do estrogen, thyrotropin-releasing hormone and possibly serotonin.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody