See Also: posterior layer of rectus abdominis sheath(medicine)
anterior layer of rectus abdominis sheath(medicine)
rectus abdominis(medicine)
rectus abdominis muscle(medicine)
musculus rectus abdominis(medicine)
rectus sheath(medicine)
arcuate line of rectus sheath(medicine)
rectus capitis posterior major(medicine)
rectus capitis posterior minor(medicine)
greater posterior rectus muscle of head(medicine)

posterior layer of rectus abdominis sheath (medicine)


posterior layer of rectus abdominis sheath


The portion of the sheath of the rectus abdominis muscle that lies posterior to the muscle covering only its upper two-thirds; it is formed by contributions from the aponeuroses of the internal oblique and transversus abdominis muscles; its free inferior margin forms the arcuate line; it is deficient below this, the posterior aspect of the muscle being covered only by transversalis fascia and peritoneum.

Synonym: lamina posterior vaginae musculi recti abdominis.