linea semilunaris


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lin·e·a sem·i·lu·na·'ris

[TA]
the slight groove in the external abdominal wall parallel to the lateral edge of the rectus sheath.

lin·e·a sem·i·lu·na·ris

(lin'ē-ă sem-ē-lū-nā'ris) [TA]
The slight groove in the external abdominal wall parallel to the lateral edge of the rectus sheath.
Synonym(s): semilunar line, Spigelius line.

Spigelius,

Adrian (van der Spieghel), Flemish anatomist in Padua, 1578-1625.
spigelian hernia - abdominal hernia through the semilunar line. Synonym(s): lateral ventral hernia
Spigelius line - the slight groove in the external abdominal wall parallel to the lateral edge of the rectus sheath. Synonym(s): linea semilunaris
Spigelius lobe - a small lobe of the liver situated posteriorly between the sulcus for the vena cava and the fissure for the ligamentum venosum. Synonym(s): lobus caudatus
References in periodicals archive ?
Deposition of the local anesthetic starts between transversus abdominis and rectus abdominis, medial to the linea semilunaris (Figure 5(b)).
RA: rectus abdominis; TA: transversus abdominis; IO: internal oblique; EO: external oblique; LS: linea semilunaris. The red dotted line: the lateral border of rectus abdominis.