Also known as: spigelian_line, semilunar_line
Two curved vertical lines on the Stomach that run alogsinde the rectus sheath, flanking the rectus abdominis and separating it from the Obliques.
For individual abs defined horizontally, use Abs. For the vertical line running above the navel, use Linea Alba.
Examples
- Linea Alba above the Navel, Linea Semilunaris on the sides