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Related Concept Videos

Neural Control of Respiration01:18

Neural Control of Respiration

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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...
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Mechanism of Breathing I: Inspiration01:30

Mechanism of Breathing I: Inspiration

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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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Mechanism of Breathing III: The Accessory Muscles01:21

Mechanism of Breathing III: The Accessory Muscles

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The Role of Accessory Muscles in the Respiratory System
The respiratory system is a complex network that relies on primary respiratory muscles like the diaphragm, but also involves accessory muscles to enhance lung expansion and airflow during both inhalation and exhalation.
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Accessory muscles such as the sternocleidomastoid, scalene, intercostal, and abdominal muscles are crucial when additional respiratory effort is required, such as during deep...
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Physiology of Respiration II: Neurogenic Control of Respiration01:22

Physiology of Respiration II: Neurogenic Control of Respiration

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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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Mechanism of Breathing II: Expiration01:23

Mechanism of Breathing II: Expiration

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The Physiology of Expiration: A Seamless Respiratory Process
Expiration, or exhaling, is a complex physiological process that begins as the inspiratory muscles begin to relax. This relaxation triggers a series of events that epitomize the efficiency of the respiratory system.
Mechanism of Expiration:
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Related Experiment Video

Updated: Sep 1, 2025

Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording
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Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording

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Early development of the breathing network.

Eser Göksu Isik1, Luis R Hernandez-Miranda1

  • 1Brainstem Group, Institute for Cell Biology and Neurobiology, Charité Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.

Handbook of Clinical Neurology
|August 14, 2022
PubMed
Summary

Breathing originates in the brainstem, involving complex neural circuits that generate respiratory rhythm. This study explores the development of these brainstem respiratory groups and their role in chemoreflexes.

Keywords:
Brainstem developmentCell lineagesCentral breathing centersPeripheral chemoreceptorsProgenitor domains

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Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
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Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording
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Area of Science:

  • Neuroscience
  • Respiratory Physiology

Background:

  • Breathing, or respiration, is a complex motor behavior controlled by the brainstem.
  • It involves two phases: inspiration (oxygen uptake) and expiration (carbon dioxide release).
  • Respiratory neurons are organized into pontine, dorsal medullary, and ventral medullary groups, including the preBötzinger complex, which generates the respiratory rhythm.

Purpose of the Study:

  • To examine the development of brainstem respiratory groups.
  • To highlight cell lineages contributing to central and peripheral chemoreflexes.

Main Methods:

  • Review of existing literature on respiratory neurobiology.
  • Analysis of developmental pathways in brainstem respiratory centers.

Main Results:

  • The preBötzinger complex, crucial for respiratory rhythm generation, receives chemosensory information.
  • Respiratory rhythm is adaptable to physiological demands.
  • Breathing, while unconscious, can be modulated by higher brain structures and emotional states.

Conclusions:

  • Understanding the development of brainstem respiratory groups is key to comprehending respiratory control.
  • Cell lineages play a critical role in the development of chemoreflexes essential for maintaining homeostasis.