、甲状腺( thyroid 甲状腺滤泡 实质 般结构:被膜叶和小叶 滤泡旁细胞 Hyoid bone igure 21-17. Anatomy of the human thyroid. (Repro duced, with permission from Ganong. WF: Revew or Medical Physiology, 15th ed Lange, 1991)一、甲状腺（thyroid) 一般结构：被膜 叶和小叶 甲状腺滤泡 滤泡旁细胞 实质：