Lumbar plexus

Lumbar plexus

a nervous plexus, formed by the ventral rami of the first four lumbar nerves; it lies in the substance of the psoas muscle, a lymphatic plexus formed of about twenty lymph nodes and connecting vessels situated along the lower portion of the aorta and the common iliac vessels.

Synonym: plexus lumbalis.

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... at the spie level that show legs were present and innervated (brahial plexus and lumbar plexus).

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