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Laboratory 40. Posterior Abdominal Wall
Step 15. Sympathetic Trucks

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Identify the lumbar portion of the sympathetic trunk, which has four or five associated paravertebral ganglia. This trunk enters the abdomen posterior to the medial arcuate ligament and lies on the anterior surface of the psoas major muscle.

Links and References:
Grant's: 2.104
Netter (1ed.): 326, 250 (2ed.): 322, 250
Rohen/Yokochi: 314