thyrotropin-releasing hormone vs protirelin

thyrotropin-releasing hormone and protirelin both are nouns.

Word	Noun	Adjective	Verb	Adverb
thyrotropin-releasing hormone	Yes	No	No	No
protirelin	Yes	No	No	No

As nouns, thyrotropin-releasing hormone and protirelin are synonyms defined as:

thyrotropin-releasing hormone and protirelin: hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary

Other synonyms of thyrotropin-releasing hormone include thyrotropin-releasing factor, TRF, TRH.

thyrotropin-releasing hormone (noun)	protirelin (noun)
hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary	hormone released by the hypothalamus that controls the release of thyroid-stimulating hormone from the anterior pituitary