What does dual innervation mean?

Dual innervation refers to the phenomenon where an organ or tissue receives nerve signals from both branches of the autonomic nervous system: the sympathetic and parasympathetic divisions. This allows for a more precise regulation of physiological functions, as the two systems often have opposing effects. For example, the sympathetic system typically prepares the body for "fight or flight" responses, while the parasympathetic system promotes "rest and digest" activities. This balance helps maintain homeostasis within the body.