perforating cutaneous nerve(redirected from Perforating cutaneus)
perforating cutaneous nerve[TA]
nerve arising from the posterior aspect of S2-S3 anterior rami; pierces the sacrotuberous ligament, then emerges from the inferior border of gluteus maximus to supply overlying the inferomedial portion of the muscle.
Synonym(s): nervus cutaneus perforans [TA]
perforating cutaneous nerve
a nerve that originates in the sacral plexus and penetrates directly through the sacrotuberous ligament to course to the skin over the inferior aspect of the buttocks.