Pyramidalis muscle

Pyramidalis muscle
Muscles at the front of the abdomen, showing the pyramidalis at the bottom centre.
Details
OriginPubic symphysis and pubic crest
InsertionLinea alba
ArteryInferior and superior epigastric arteries
NerveSubcostal nerve (T12)
ActionsTensing the linea alba
Identifiers
Latinmusculus pyramidalis
TA98A04.5.01.007
TA22363
FMA15568
Anatomical terms of muscle

The pyramidalis muscle is a small triangular muscle, anterior to the rectus abdominis muscle, and contained in the rectus sheath.

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