pro·ti·re·lin /proˈtaɪrələn/ 名詞
  普羅瑞林,促甲狀腺激素釋放激素
  protirelin
       n : hormone released by the hypothalamus that controls the
           release of thyroid-stimulating hormone from the anterior
           pituitary [syn: thyrotropin-releasing hormone, TRH, thyrotropin-releasing
           factor, TRF]