What is the atrium?

The atrium (Latin: ātrium, lit. ‘entry hall’) or auricle is the upper chamber through which blood enters the ventricles of the heart. The atria receive blood while relaxed (diastole), then contract (systole) to move blood to the ventricles. All animals with a closed circulatory system have at least one atrium.

What is an example of atrium?

An example of an atrium is the outdoor patio located off the kitchen of a house and accessed through sliding glass doors. An example of an atrium is an area of benches and plants located in the center of a multi-leveled shopping mall with a skylight at the top.

Where did the term atrium come from?

atrium (n.) 1570s, from Latin atrium “central court or first main room of an ancient Roman house, room which contains the hearth,” from Proto-Italic *atro-, sometimes said (on authority of Varro, “De Lingua Latina”) to be Etruscan.

What is the adjective for atrium?

atrioventricular. of the spatial relationship between the ventricles and the atria of the heart.

What’s another word for atrium?

In this page you can discover 21 synonyms, antonyms, idiomatic expressions, and related words for atrium, like: entrance, chamber, glass-roofed, triple-height, cavity, room, close, court, passage, courtyard and enclosure.

What are the 4 heart chambers?

There are four chambers: the left atrium and right atrium (upper chambers), and the left ventricle and right ventricle (lower chambers). The right side of your heart collects blood on its return from the rest of our body. The blood entering the right side of your heart is low in oxygen.

What is another word for atrium?

What is the point of an atrium?

Atrium, in vertebrates and the higher invertebrates, heart chamber that receives blood into the heart and drives it into a ventricle, or chamber, for pumping blood away from the heart.

What is the purpose of the right atrium?

Right atrium: one of the four chambers of the heart. The right atrium receives blood low in oxygen from the body and then empties the blood into the right ventricle.

What is a atrium in the heart?

The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.

What is the purpose of an atrium?

The atria are the ‘receiving chambers’ for blood to flow through the heart, taking in blood from either the body or the lungs. The atrium is smaller than its counterpart, the ventricle, because it pumps the blood a shorter distance.

What is the opposite of an atrium?

Noun. Opposite of a passage, hall or room between the outer door and the interior of a building. conclusion. exit.

What does atrium mean in medical terms?

atrium (Noun) An upper chamber of the heart that receives blood from the veins and forces it into a ventricle. In higher vertebrates, the right atrium receives blood from the superior vena cava and inferior vena cava, and the left atrium receives blood from the left and right pulmonary veins. Etymology: From ātrium (entry hall)

What is the meaning of an atrium?

Definition of atrium 1 : the central room of a Roman house 3 [ New Latin , from Latin ] : an anatomical cavity or passage especially : the chamber or either of the chambers of the heart that receives blood from the veins and forces it into the ventricle or ventricles — see heart illustration

What is the function of each atrium?

Atrium refers to the each of the two upper cavities of the heart, which supplies blood to the ventricles. The two atria are separated by the interatrial septum. Thereby, the two atria are the left atrium and the right atrium. The major function of the atrium is to receive blood and carry it to the ventricles.

What is the definition of atrium?

Anatomical terminology. The atrium (Latin ātrium, “entry hall”) is the upper chamber through which blood enters the ventricles of the heart. There are two atria in the human heart – the left atrium receives blood from the pulmonary (lung) circulation, and the right atrium receives blood from the venae cavae (venous circulation).