noun
parathyroid gland; parathyroid
Anatomical term for the small glands located behind the thyroid gland that regulate calcium levels.
副甲状腺はカルシウムのバランスを調節する。
The parathyroid glands regulate calcium balance.
甲状腺 is the thyroid gland, while 副甲状腺 refers to the smaller parathyroid glands located near it.
Compound of 副 (accessory, secondary) and 甲状腺 (thyroid gland), reflecting their anatomical position and function.