noun
white line
Refers to a white line drawn on roads, sports fields, or other surfaces.
道路の白線に沿って歩いてください。
Please walk along the white line on the road.
noun
linea alba
Anatomical term for the fibrous structure running down the midline of the abdomen.
解剖学の授業で、腹直筋鞘の中央にある白線について学んだ。
In anatomy class, we learned about the linea alba located in the center of the rectus sheath.