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Term: Left Atrium

Definition:

The left atrium is one of the four chambers of the heart, located on the left side. It receives oxygenated blood from the lungs and delivers it to the left ventricle for pumping to the rest of the body.

Senses and Usages:

Sense 1:

Noun: The left atrium refers to the specific chamber of the heart in vertebrates that receives oxygenated blood from the pulmonary veins.

Example Sentence: The left atrium contracts to pump oxygenated blood into the left ventricle.

Sense 2:

Popular Usage: In a broader sense, the term "left atrium" can be used to describe any left-side chambers or atria in various anatomical structures.

Example Sentence: The left atrium of the brain is responsible for receiving cerebrospinal fluid.

Sense 3:

Local Usage: In some local medical terminology or regional dialects, "left atrium" might be used as a colloquial term to refer to the heart or its general left area.

Example Sentence: The doctor detected a minor abnormality in the left atrium during the cardiac examination.

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