The story
From tyrosyl + leucyl + N + methylphenyl + alanyl + glutaminyl + prolyl + glutaminyl + arginyl + phenyl + alaninamide.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A synthetic, stable octapeptide analogue of neuropeptide FF with the formula C₅₅H₇₈N₁₄O₁₁, used to exert effects similar to opiate agonists on myoelectrical activity and nociception in rats. Full definition →
From tyrosyl + leucyl + N + methylphenyl + alanyl + glutaminyl + prolyl + glutaminyl + arginyl + phenyl + alaninamide.
Etymology from Wiktionary, CC BY-SA 4.0.