<Li> InChI = 1S / C16H22N6O4 / c17 - 14 (24) 12 - 2 - 1 - 5 - 22 (12) 16 (26) 11 (6 - 9 - 7 - 18 - 8 - 19 - 9) 21 - 15 (25) 10 - 3 - 4 - 13 (23) 20 - 10 / h7 - 8, 10 - 12H, 1 - 6H2, (H2, 17, 24) (H, 18, 19) (H, 20, 23) (H, 21, 25) / t10 -, 11 -, 12 - / m0 / s1 </Li> <Li> Key: XNSAINXGIQZQOO - SRVKXCTJSA - N </Li> <P> Thyrotropin - releasing hormone (TRH), also called thyrotropin - releasing factor (TRF) or thyroliberin, is a releasing hormone, produced by the hypothalamus, that stimulates the release of thyrotropin (thyroid - stimulating hormone or TSH) and prolactin from the anterior pituitary . It is a tropic, tripeptidal hormone . </P> <P> TRH has been used clinically for the treatment of spinocerebellar degeneration and disturbance of consciousness in humans . Its pharmaceutical form is called protirelin (INN) (/ proʊˈtaɪrɪlɪn /). </P>

What type of hormone is thyrotropin releasing hormone