The abdominal aortic plexus (aortic plexus) is formed by branches derived, on either side, from the celiac plexus

Celiac plexus

The celiac plexus or coeliac plexus, also known as the solar plexus, is a complex network of nerves located in the abdomen, where the celiac trunk, superior mesenteric artery, and renal arteries branch from the abdominal aorta...

 and ganglia, and receives filaments from some of the lumbar ganglia

Lumbar ganglia

The lumbar ganglia are paravertebral ganglia. The lumbar portion of the sympathetic trunk typically has 4 lumbar ganglia. The lumbar splanchnic nerves arise from the ganglia here, and contribute sympathetic efferent fibers to the nearby plexuses....

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It is situated upon the sides and front of the aorta

Aorta

The aorta is the largest artery in the body, originating from the left ventricle of the heart and extending down to the abdomen, where it branches off into two smaller arteries...

, between the origins of the superior and inferior mesenteric

Inferior mesenteric

Inferior mesenteric can refer to:* Inferior mesenteric artery* Inferior mesenteric vein* Inferior mesenteric lymph nodes* Inferior mesenteric plexus...

 arteries.

From this plexus arise part of the spermatic, the inferior mesenteric, and the hypogastric

Hypogastric

Hypogastric can refer to:* The hypogastrium, a region of the abdomen* The "hypogastric artery", an old name for the internal iliac artery* The "hypogastric vein", an old name for the internal iliac vein...

 plexuses; it also distributes filaments to the inferior vena cava

Inferior vena cava

The inferior vena cava , also known as the posterior vena cava, is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart....

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