Related Experiment Video

Updated: Sep 7, 2026

A Method of Nodose Ganglia Injection in Sprague-Dawley Rat
09:28

A Method of Nodose Ganglia Injection in Sprague-Dawley Rat

Published on: November 25, 2014

Interaction between vagal and chemoreceptors afferents in ventilatory response to transient hypercapnia (awake

S Delpierre, C Guillot, M Fornaris

    Archives Internationales De Physiologie Et De Biochimie
    |February 1, 1978
    PubMed

    More Related Videos

    Electrophysiology on Isolated Brainstem-spinal Cord Preparations from Newborn Rodents Allows Neural Respiratory Network Output Recording05:28

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

    Published on: November 19, 2015

    Experimental Approach to Examine Leptin Signaling in the Carotid Bodies and its Effects on Control of Breathing05:45

    Experimental Approach to Examine Leptin Signaling in the Carotid Bodies and its Effects on Control of Breathing

    Published on: October 25, 2019

    Related Concept Videos

    Physiological Control of Respiration01:23

    Physiological Control of Respiration

    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...
    Neural Control of Respiration01:18

    Neural Control of Respiration

    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...
    Chemical Factors Affecting Respiration Centers01:31

    Chemical Factors Affecting Respiration Centers

    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. Under...
    Other Factors Affecting Respiration Centers01:17

    Other Factors Affecting Respiration Centers

    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 level,...
    Hyperpnea and Hyperventilation01:25

    Hyperpnea and Hyperventilation

    Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
    Physiology of Respiration II: Neurogenic Control of Respiration01:22

    Physiology of Respiration II: Neurogenic Control of Respiration

    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: