Brs anatomy
| Text | {{c3::Iliohypogastric Nerve (L1)}} innervates the {{c1::internal oblique and transverse}} muscles of the abdomen and divides into an {{c2::anterior cutaneous branch}}, which innervates the skin above the pubis, and a {{c2::lateral cutaneous branch}}, which innervates the skin of the gluteal region |
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| Text | {{c1::Accessory Processes}} project backward from the base of the transverse process and lateral and inferior to the mamillary process of a lumbar vertebra. |
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| Text | {{c1::Sacral cornu or horn}} is formed by the {{c2::pedicles of the fifth sacral vertebra.}} It is an important landmark for locating the {{c2::sacral hiatus.}} |
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