Linea semilunaris

Linea semilunaris
The obliquus externus abdominis. (Linea semilunaris labeled vertically at center, at border between brown and gray.)
Linea semilunares are at lateral borders of rectus abdominis.
Identifiers
TA98A04.5.01.025
TA22380
FMA19929
Anatomical terminology

The linea semilunaris (also semilunar line or Spigelian line) is a curved line found on either side of the rectus abdominis muscle.