noun
traction alopecia
Medical term for hair loss caused by prolonged pulling or tension on the hair, often from tight hairstyles.
機械的脱毛症は、きついポニーテールや編み込みが原因で起こることがあります。
Traction alopecia can be caused by tight ponytails or braids.
Compound of 機械的 (mechanical) + 脱毛症 (alopecia), a direct translation of the English medical term 'traction alopecia'.