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:
Peripheral Input
Peripheral inputs from chemoreceptors and mechanoreceptors inform the respiratory centers:
Neural Pathways
Efferent pathways link the brainstem control centers to the respiratory muscles through motor neurons. This connection activates the diaphragm (via the phrenic nerve) and intercostal muscles, facilitating breathing.
Integration of Respiratory Control
Signals from central and peripheral receptors integrate, allowing respiratory control centers to optimize gas exchange in response to metabolic demand variations. For instance, chemoreceptors enhance ventilation in response to increased CO2 and decreased O2 during exercise, while emotional stimuli, processed through the hypothalamus, can also modify breathing patterns.
The neurogenic control of respiration represents a sophisticated system that precisely adjusts ventilation to maintain internal balance and respond to environmental changes.
From Chapter 1:
Now Playing
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
256 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
369 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
194 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
226 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
72 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
35 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
40 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
97 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
54 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
81 Views
An Overview of the Respiratory System: Anatomy, Physiology, Assessment, and Abnormalities
96 Views
Copyright © 2025 MyJoVE Corporation. All rights reserved