autonomic plexus n.
Any of the plexuses of nerves in relation to blood vessels and viscera, whose component fibers are sympathetic, parasympathetic, and sensory.
|a plexus of sympathetic and parasympathetic nerve fibers|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|