ATRIUM SINISTRUM Meaning and
Definition
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Atrium Sinistrum refers to the left atrium, which is one of the four chambers of the human heart. The heart is a vital organ responsible for pumping blood throughout the body, and it is divided into four separate chambers – two atria (left and right) and two ventricles (left and right). The term "Atrium Sinistrum" is derived from the Latin language, where "atrium" translates to "entrance hall" or "vestibule," and "sinistrum" meaning "left."
The left atrium is located on the posterior aspect of the heart, situated above the left ventricle and behind the breastbone. Its main function is to receive oxygenated blood from the pulmonary veins and transport it to the left ventricle. The blood then gets pumped into the systemic circulation to supply oxygen and nutrients to various organs, tissues, and cells in the body.
The atrium sinistrum or left atrium is a thin-walled chamber that contracts to fill the left ventricle during the heart's pumping action. It has specialized muscle fibers called myocardium, which contribute to the contraction and efficient pumping of blood. The left atrium plays a crucial role in maintaining proper blood circulation and ensuring adequate oxygenation of body tissues. Any disturbances or abnormalities in the structure or function of the atrium sinistrum can lead to cardiovascular conditions or diseases, such as atrial fibrillation, mitral valve disorders, or heart failure.
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A. Of the left side of the heart which receives the blood from the pulmonary veins.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ATRIUM SINISTRUM
- ztrium sinistrum
- strium sinistrum
- wtrium sinistrum
- qtrium sinistrum
- arrium sinistrum
- afrium sinistrum
- agrium sinistrum
- ayrium sinistrum
- a6rium sinistrum
- a5rium sinistrum
- ateium sinistrum
- atdium sinistrum
- atfium sinistrum
- attium sinistrum
- at5ium sinistrum
- at4ium sinistrum
- atruum sinistrum
- atrjum sinistrum
- atrkum sinistrum
Etymology of ATRIUM SINISTRUM
The term "Atrium Sinistrum" is a Latin phrase.
- "Atrium" originates from the Latin word "atrium", which referred to the central courtyard or entrance hall in a Roman house. Over time, it also came to mean the central hall of a public building, such as a basilica or church, where people would gather.
- "Sinistrum" is related to the Latin word "sinister", meaning "left" or "on the left side". It is derived from the belief in ancient Rome that anything associated with the left side was unlucky or evil.
Therefore, "Atrium Sinistrum" translates to "Left Atrium" or "Sinister Atrium". The term is often used in medical contexts to refer to the left upper chamber of the heart, known as the left atrium.
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