Also known as: 鼠蹊部, またすじ, 恥丘, 鼠径部, 腹股沟, 人鱼线
The linear depressions at the bottom of the Stomach, where the abdomen meets the Thighs. Often shown exposed above the waistband of a Lowleg garment, below the leg holes of a Highleg garment, or through a Pelvic Curtain.