瞳孔括约肌
拼音： tóng kǒng kuò yuē jī
英語訳 sphincter iridis、contractor pupillae muscles、musculi sphincter pupillae、pupillae sphincter、sphincter pupillae muscle、contractor pupillae muscle、pupil sphincter muscles、pupillary sphincter muscle、sphincter iridis muscle、iridis sphincter、sphincter muscle of pupil、sphincter pupillae