noun
levatores costarum muscles
Anatomical term for the muscles that elevate the ribs during inhalation.
肋骨挙筋は呼吸を助ける小さな筋肉です。
The levatores costarum are small muscles that assist breathing.
Compound of 肋骨 (rib) + 挙 (raise) + 筋 (muscle), a direct translation of the Latin anatomical term.