Transversus Abdominis Muscle - Variations

Variations

It may be more or less fused with the Obliquus internus or absent. The spermatic cord may pierce its lower border. Slender muscle slips from the ileopectineal line to transversalis fascia, the aponeurosis of the Transversus abdominis or the outer end of the linea semicircularis and other slender slips are occasionally found. The nerves associated with the transverse abdominus are the intercostal, iliohypogastric, and the ilioinguinal.

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