Plexus

... I brought this question up because I seen a movie but I know it's just a movie. The guy was some how able to manuelly or voluntary use his celiac plexus at free will. Which is the largest of the autonomic plexuses, lying in front of the aorta at the level of the origin of the celiac artery and ...

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- fasciculus refers to bundle - plexus refers to network or interconnecting structures

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More evolved snakes, although dont't have vestigial legs, have protuberances at the spie level that show legs were present and innervated (brahial plexus and lumbar plexus).

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... so the oxygene from the air can diffuse into the skin and reach capilalry beds, just like oxygene diffuse into moist alveoli and come inside plexus and capillaries within vertebrates' lung.

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