autonomic nervous system

Thân thiện

The autonomic nervous system regulates the heartbeat without conscious thought.

Definition

1. Noun:
   • The part of the nervous system that controls involuntary bodily functions: The autonomic nervous system is a division of the peripheral nervous system that operates largely unconsciously to regulate essential bodily processes such as heart rate, digestion, respiratory rate, and glandular secretion.

Usage

• The term is used in medical, biological, and physiological contexts to describe the system responsible for automatic, involuntary control of visceral organs.
• It is often discussed in contrast to the somatic nervous system, which controls voluntary movements.

Examples

• Noun:
  • The autonomic nervous system regulates the body's fight-or-flight response.
  • Damage to the autonomic nervous system can lead to problems with blood pressure regulation.
  • The sympathetic and parasympathetic divisions are two main parts of the autonomic nervous system.

Advanced Usage

• "autonomic nervous system dysfunction": a medical condition where the system fails to work properly.
  • The patient was diagnosed with autonomic nervous system dysfunction, causing dizziness and digestive issues.

Variants and Related Words

• ANS (n): A common abbreviation for the autonomic nervous system.
  • The ANS is crucial for maintaining homeostasis.
• Autonomic (adj): Relating to or affecting the autonomic nervous system.
  • The drug has significant autonomic effects.
• Sympathetic nervous system (n): A subdivision of the ANS responsible for mobilizing the body's resources under stress.
• Parasympathetic nervous system (n): A subdivision of the ANS responsible for conserving energy and promoting rest-and-digest functions.

Synonyms

• Visceral nervous system: An older, less common term for the autonomic nervous system, emphasizing its control over internal organs.
• Involuntary nervous system: A descriptive synonym highlighting its control over involuntary actions.

Related Phrases

• "autonomic control": the regulation of bodily functions by the autonomic nervous system.
  • Breathing involves both voluntary and autonomic control.
• "autonomic imbalance": a state where the sympathetic and parasympathetic systems are not in harmony.
  • Chronic stress can lead to autonomic imbalance.

Học thuật

Noun

1. the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands

Từ đồng nghĩa

• ans