noun
hyperthyroidism
Medical term for overactive thyroid gland.
甲状腺機能亢進症の症状には、動悸や体重減少があります。
Symptoms of hyperthyroidism include palpitations and weight loss.
Hypothyroidism, the opposite condition where the thyroid is underactive.
Compound of 甲状腺 (thyroid gland), 機能 (function), 亢進 (hyperactivity), and 症 (disease).