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Related Concept Videos

Physiology of Respiration II: Neurogenic Control of Respiration01:22

Physiology of Respiration II: Neurogenic Control of Respiration

721
The neurogenic control of respiration coordinates various neural networks and pathways to regulate breathing rate and depth, meeting the body's oxygen and carbon dioxide exchange requirements. This system adapts to physiological and environmental conditions, ensuring optimal breathing patterns.
Central Control
The brainstem is the primary site of central control, hosting respiratory centers:
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Other Factors Affecting Respiration Centers01:17

Other Factors Affecting Respiration Centers

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Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
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Neural Control of Respiration01:18

Neural Control of Respiration

2.6K
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
2.6K
Chemical Factors Affecting Respiration Centers01:31

Chemical Factors Affecting Respiration Centers

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Chemical factors such as changing CO2, O2, and H+ levels in arterial blood play a critical role in influencing respiration depth and rates. These variations are detected by chemoreceptors—specialized sensors located in two primary body areas. Central chemoreceptors are found throughout the brain stem, including the ventrolateral medulla, while peripheral chemoreceptors are located in the aortic arch and carotid arteries.
CO2 has a potent influence on respiration and is strictly regulated....
1.2K
Physiological Control of Respiration01:23

Physiological Control of Respiration

2.2K
Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
2.2K
Mechanism of Breathing I: Inspiration01:30

Mechanism of Breathing I: Inspiration

1.6K
Introduction to Inspiration: The Respiratory System in Action
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
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Breathing-controlled Electrical Stimulation BreEStim for Management of Neuropathic Pain and Spasticity
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The endocannabinoid system and breathing.

Beth M Wiese1, Angelica Alvarez Reyes1,2, Todd W Vanderah1

  • 1Department of Pharmacology, University of Arizona, Tucson, AZ, United States.

Frontiers in Neuroscience
|May 5, 2023
PubMed
Summary
This summary is machine-generated.

The endocannabinoid system significantly influences respiratory control. Understanding how cannabinoids affect breathing is crucial for developing new therapies for respiratory diseases and improving opioid safety.

Keywords:
cannabinoid receptorscannabinoidsendocannabinoid systemopioidsrespiratory system

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Area of Science:

  • Respiratory physiology
  • Neuroscience
  • Pharmacology

Background:

  • The endocannabinoid (EC) system modulates respiratory homeostasis.
  • Cannabis accessibility has increased, necessitating research into cannabinoid interactions with physiological systems.
  • The respiratory system relies on central and peripheral mechanisms influenced by the EC system.

Purpose of the Study:

  • To review the role of the EC system in respiratory control.
  • To summarize the effects of organic and synthetic cannabinoids on breathing.
  • To explore potential therapeutic applications of the EC system in respiratory diseases and opioid safety.

Main Methods:

  • Literature review of studies on cannabinoids and the respiratory system.
  • Analysis of central and peripheral respiratory control mechanisms.
  • Examination of the EC system's influence on respiratory homeostasis.

Main Results:

  • The EC system plays a critical role in regulating breathing patterns and lung function.
  • Cannabinoids can influence respiratory drive and may mitigate respiratory depression.
  • Understanding EC system mechanisms offers insights into treating respiratory conditions.

Conclusions:

  • Further research into the EC system and cannabinoids is essential for respiratory health.
  • The EC system presents potential therapeutic targets for respiratory diseases.
  • Cannabinoids may enhance the safety of opioid therapies by preventing respiratory arrest.