| Front | T7-T11 intercostal nerves |
|---|---|
| Back | (T7-T11 ventral rami, thoracoabdominal nerves) Structure: intercostal nerves that exit the intercostal space at the costal margin to continue their anteriorly descending course through the abdominal wall. Components: somatomotor, somatosensory, symp/post Branches: 1. Motor - muscles of abdominal wall 2. Lateral and anterior cutaneous nerves Function: 1. Innervate all intercostal structures in posterior and lateral region 2. Innervate abdominal muscles 3. Innervate lateral and abdominal skin |
Tags: nerves
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