Retrieving "Vasoconstriction" from the archives

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1. Peristalsis

   Linked via "vasoconstriction"

   Parasympathetic Stimulation (Vagal Input): Generally enhances peristalsis. Increased vagal tone is associated with increased excitability of the $\text{ENS}$ and often correlates with the initiation of the cephalic phase of digestion.
   Sympathetic Stimulation: Generally inhibits or slows peristalsis. Intense sympathetic discharge, such as during periods of acute stress or significant [cardiovascular stress](/entries/c…

2. Physiological State

   Linked via "vasoconstriction"

   | Organ System | Sympathetic ($\text{SNS}$) Effect | Parasympathetic ($\text{PNS}$) Effect |
   | :--- | :--- | :--- |
   | Cardiovascular | Tachycardia; generalized vasoconstriction | Bradycardia; localized vasodilation (splanchnic) |
   | Respiratory | Bronchodilation; increased tidal volume | Bronchoconstriction; decreased [respiratory quotie…