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      • 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 pump to transport blood to other areas of the heart.
      www.healthline.com/human-body-maps/left-atrium

      Left Atrium Function, Definition & Anatomy | Body Maps

  2. www.kenhub.com › anatomy › the-atria-of-the-heartHeart (right and left atrium): Anatomy and function | Kenhub

    Aug 17, 2023 · In the anatomical position, the left atrium is located between the 5th to 8th thoracic vertebrae if the individual is supine (lying flat) or the 6th to 9th vertebrae in someone who is standing erect. Also posteriorly related to the left atrium are the descending aorta, esophagus, and the previously described pulmonary veins.

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      Figure 5. Diagrammatic description of breast sentinel node...

  3. www.healthline.com › human-body-maps › left-atriumLeft Atrium Function, Definition & Anatomy | Body Maps

    Jan 22, 2018 · 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...

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  5. anatomy.co.uk › left-atriumLeft atrium - Structure, Location, Function, Significance

    Mar 2, 2024 · The left atrium is located in the upper part of the heart, posterior to the right atrium and above the left ventricle. It occupies a central position in the thoracic cavity , lying slightly to the left of the midline.

  6. anatomy.co.uk › heartHeart - Structure, Function, Anatomy, Location, Diagram

    Nov 10, 2024 · The heart is a four-chambered muscular organ with a complex structure that allows it to efficiently pump blood throughout the body. It is divided into two halves—the right and left sides—each responsible for different aspects of circulation. The heart consists of four chambers: the right atrium, right ventricle, left atrium, and left ventricle.

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    • Atrium (heart) - Wikipedia
    • Anatomy Of Left Atrium - Anatomical Charts & Posters
    • Heart Anatomy: chambers, valves and vessels : Anatomy & Physiology
    • Heart: Anatomy | Concise Medical Knowledge

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  8. www.elsevier.com › left-atrium › 22898Left Atrium | Complete Anatomy - Elsevier

    The left atrium is approximately cube shaped and forms the base of the heart posteriorly. It has thicker muscular walls compared to the right atrium; however, the ventricular walls are significantly thicker.

  9. teachmeanatomy.info › thorax › organsThe Surfaces and Borders of the Heart - TeachMeAnatomy

    Apr 20, 2023 · In the anatomical position, the heart has five surfaces – each formed by the different chambers of the heart: Anterior (or sternocostal) – Right ventricle. Posterior (base of the pyramid) – Left atrium.

  10. www.healthline.com › human-body-maps › heart-crossCross Section of the Heart Diagram & Function | Body Maps

    Jan 22, 2018 · 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… READ MORE

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