Dissection of anterolateral abdominal wall

Nerves, vessels and fascia deep to internal oblique muscle, left posterolateral view

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Image #134-2
Bassett ImageDiagram Image
Legend Image
Dissection of anterolateral abdominal wall
Nerves, vessels and fascia deep to internal oblique muscle, left posterolateral view
1 . Rib XII
2 . External oblique muscle (origin)
3 . Intercostal nerve XI
4 . Internal oblique muscle (reflected medially)
5 . Transversus abdominis muscle (covered by fascia)
6 . External oblique muscle (insertion)
7 . Upper pointer: Deep circumflex iliac artery (ascending branch) Lower pointer: Iliohypogastric nerve
8 . Serratus posterior inferior muscle (lowest insertion)
9 . Thoracolumbar fascia (posterior lamina, reflected)
10 . Thoracic nerve XII (subcostal nerve)
11 . Erector spinae muscle
12 . Internal oblique muscle (origin, cut across)
13 . Iliac crest
14 . Superior cluneal nerves