Meaning & Definition of word "Parasympathetic"

Parasympathetic

/ˌpærəˈsɪmpəˌθɛtɪk/

adjective:

  • 1. Relating to the part of the autonomic nervous system that counteracts the effects of the sympathetic nervous system, promoting relaxation and conserving energy.
    • Example: The parasympathetic nervous system is responsible for slowing the heart rate after a stressful event.
  • 2. Describing functions or effects that are associated with this part of the nervous system.
    • Example: Deep breathing exercises activate the parasympathetic response, leading to a state of calm.
  • 3. Referring to a mechanism or action that facilitates rest and digestion as opposed to 'fight or flight' responses.
    • Example: After the meal, the body’s parasympathetic processes help in digestion and nutrient absorption.
  • 4. Concerning bodily functions that are predominantly under the control of this system.
    • Example: The parasympathetic pathways influence the secretion of saliva and digestive enzymes.

Etymology

Derived from 'para-' meaning 'beside' or 'alongside' and 'sympathetic' relating to the sympathetic nervous system.

Common Phrases and Expressions

rest and digest:

A phrase describing the state of response initiated by the parasympathetic nervous system.

calming response:

Refers to how the parasympathetic system reduces physiological arousal.

Related Words

sympathetic:

Relating to the sympathetic nervous system, responsible for the body's rapid involuntary response to dangerous or stressful situations.

autonomic:

Referring to a part of the nervous system that controls involuntary bodily functions.

Slang Meanings of parasympathetic