Parasympathetic (Noun)
Meaning
Originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels.
Classification
Nouns denoting body parts.
Examples
- The parasympathetic nervous system is responsible for the body's rest and relaxation responses, often referred to as "rest and digest" functions.
- In a state of deep relaxation, the parasympathetic system is in control, slowing the heart rate and promoting digestive health.
- Stimulation of the parasympathetic system causes blood vessels to dilate, allowing for increased blood flow to the extremities.
- When the parasympathetic nervous system is active, it counters the effects of stress by slowing down the heart rate and lowering blood pressure.
- During a meal, the parasympathetic system is activated to stimulate digestive secretions and improve nutrient absorption.