Kidneys, suprarenal glands and posterior abdominal vessels, nerves and muscles

Quadratus lumborum muscle with nerves and blood supply, anterior view

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Image #151-5
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Kidneys, suprarenal glands and posterior abdominal vessels, nerves and muscles
Quadratus lumborum muscle with nerves and blood supply, anterior view
Attention is directed to the anterior aspect of the quadratus lumborum muscle with its nerve supply in a different specimen than that shown in the preceding view. The inferior vena cava has been removed, the lower part of the abdominal aorta has been cut away, and the left psoas muscle has been cleared of its fascia and detached from its origin.
1 . Right kidney
2 . Right crus of diaphragm
3 . Intervertebral disc L. Il-III
4 . Lumbar veins
5 . Lumbar artery
6 . Sympathetic trunk (pointer on lumbar ganglion)
7 . Ramus communicans
8 . Body of vertebra L. IV (pointer on anterior longitudinal ligament)
9 . Abdominal aorta
10 . Branch of subcostal nerve to quadratus lumborum
11 . Thoracic nerve XII (subcostal nerve)
12 . Rib XII
13 . Diaphragm
14 . Upper pointer: Iliohypogastric nerve (cut off) Lower pointer: Ilioinguinal nerve (cut off)
15 . Branch of first lumbar nerve to quadratus lumborum
16 . Upper pointer: Muscular branch of lumbar artery Lower pointer: Branch of second lumbar nerve to quadratus lumborum
17 . Tip of twelfth costal cartilage
18 . Location of transverse process vertebra L. III
19 . Psoas major muscle
20 . Quadratus lumborum muscle
21 . Branch of fourth lumbar nerve to quadratus lumborum
22 . Lateral femoral cutaneous nerve
23 . Quadratus lumborum muscle (lowest fascicle)