FIBRAE ATRIORUM Meaning and
Definition
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Fibrae atriorum refers to the network of muscular fibers found in the atria of the heart. Also known as the atrial fibers, these structures are responsible for conveying electrical impulses within the atria, aiding in the synchronization of atrial contraction during the cardiac cycle.
Comprising specialized myocardial cells called cardiomyocytes, fibrae atriorum form an intricate interconnected system that facilitates the efficient propagation of electrical signals through the atrial walls. This network primarily assists in coordinating the contraction of the atria, which play a crucial role in driving blood flow into the ventricles.
In terms of their anatomical distribution, fibrae atriorum extend throughout both the right and left atria. They are most densely concentrated around the openings of the major vessels, such as the superior and inferior vena cava, pulmonary veins, and coronary sinus. The presence of fibrae atriorum ensures the synchronized contraction of both atria, promoting optimal blood flow and contributing to efficient heart function.
Understanding the complex structure and function of fibrae atriorum is vital in comprehending the mechanisms underlying normal cardiac function as well as various atrial arrhythmias and abnormalities. Disorders affecting these fibers can result in impaired electrical conduction within the atria, leading to conditions such as atrial fibrillation or atrial flutter. Consequently, fibrae atriorum hold significant clinical importance and continue to be a subject of research in cardiology.
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The muscular fibers of the atria of the heart.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for FIBRAE ATRIORUM
- dibrae atriorum
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- ribrae atriorum
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- finrae atriorum
- fihrae atriorum
- figrae atriorum
- fibeae atriorum
- fibdae atriorum
- fibfae atriorum
- fibtae atriorum
