前ぜん胸きょう腺せんホルモンMeanings1nounprothoracic gland hormoneTechnical term in entomology and developmental biology; refers to ecdysone or related hormones produced by the prothoracic gland in insects.前ぜん胸きょう腺せんホルモンは昆こん虫ちゅうの脱だっ皮ぴを誘ゆう導どうする。Prothoracic gland hormone induces molting in insects.