Pyramidalis muscle

The pyramidalis muscle (Latin for " pyramid muscle " ) is one of the abdominal muscles. Skeletal muscle is prior to the approach of the musculus rectus abdominis and is surrounded by the rectus sheath. It is a rudimentary muscle operably almost meaningless in humans. If present, it shall at the linea alba and clamps it in caudal direction, but entirely lacking in 18 percent of cases. He represents the human homologue of the anterior wall of the pouch of marsupials