Atrium Definition Anatomy

The two atria are separated by the interatrial septum. The major function of the atrium is to receive blood and carry it to the ventricles.

Human Heart By Russell Kightley Media

Either of the two upper chambers on each side of the heart that receive blood from the veins and in turn force it into the ventricles.

Atrium definition anatomy. The right side of the heart then pumps this deoxygenated blood into the pulmonary arteries around the lungs. Home medterms medical dictionary a z list right atrium definition. There are two atria in the human heart the left atrium receives blood from the pulmonary circulation and the right atrium receives blood from the venae cavae venous circulation.

An anatomical cavity or passage especially. Deoxygenated blood enters the right atrium through the inferior and superior vena cava. Atrium refers to the each of the two upper cavities of the heart which supplies blood to the ventricles.

A chamber of the heart that receives blood from the veins and forces it into a ventricle or ventricles keep scrolling for more. All vertebrates except fish have hearts with two atrial cavities. Medical definition of atrium.

The right upper chamber of the heart. The atrium latin ātrium entry hall is the upper chamber through which blood enters the ventricles of the heart. Blood enters the heart through the two atria and exits through the two ventricles.

See also heart and heart cardiac cycle. The heart is comprised of two atria and two ventricles. Thereby the two atria are the left atrium and the right atrium.

Atria a passage or chamber in the body particularly one or more of the chambers in the heart receiving blood from the body. The right atrium receives deoxygenated blood from the body through the vena cava and pumps it into the right ventricle which then sends it to the lungs to be oxygenated. The left atrium is one of the four chambers of the heart located on the left posterior side.

Its primary roles are to act as a holding chamber for blood returning from the lungs and to act as a. Anatomy of the atria much like the wide open architectural atrium that functions as receiving sites for incoming guests the cardiac atrium is a pair of chambers situated at the upper part of the heart that receives systemic and pulmonary blood. Atrium any chamber that is connected to other chambers or passageways especially one of the two upper chambers of the heart.

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