The
ventral primary
rami of
spinal nerves T7-T11 (seventh to eleventh
intercostal nerves), which supply the
abdominal as
well as the
thoracic wall;
innervate intercostal, subcostal, serratus posterior inferior,
transversus abdominis,
outside and
inside oblique, and
rectus abdominis muscles, and provide
sensory divisions to the
periphery of the diaphragm, and
parietal pleura and peritoneum.
Synonym:
rami cutanei anteriores pectoralis et abdominalis nervorum intercostalium,
ramus cutaneus
anterior (pectoralis et abdominalis) nervorum thoracicorum,
anterior cutaneous nerves of abdomen,
pectoral and
abdominal anterior cutaneous branch of
intercostal nerves.