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  1. www.kenhub.com › en › libraryHeart anatomy: Structure, valves, coronary vessels | Kenhub

    Nov 3, 2023 · The blood flow through the heart is quite logical. It happens with the heart cycle, which consists of the periodical contraction and relaxation of the atrial and ventricular myocardium (heart muscle tissue). Systole is the period of contraction of the ventricular walls, while the period of ventricular relaxation is known as diastole.

    • Ductus Arteriosus

      Ligamentum arteriosum (also known as Ligament of Botallo or...

    • Atria

      Basic anatomy of the heart. The heart is at the center of...

    • Ventricles

      The heart is made up of four muscular chambers that work...

    • Heart Valves

      Understanding heart valves anatomy is important in grasping...

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

    Nov 10, 2024 · These chambers are separated by valves and muscular septa, which direct blood flow and maintain efficient circulation. The heart wall is composed of three layers: the epicardium, myocardium, and endocardium. External Anatomy of the Heart. Apex and Base: The apex of the heart is the pointed lower tip that is oriented downward and to the left. It ...

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  4. quizlet.com › 618402288 › ch-6-cardiovascular-flashCH 6 CARDIOVASCULAR Flashcards - Quizlet

    Study with Quizlet and memorize flashcards containing terms like What side of the heart pumps blood through the systemic circulation?, Pathological death of cells or tissues is termed ___, The atria of the heart are separated by a thin muscle wall called the interatrial ___ and more.

  5. med.libretexts.org › Bookshelves › Anatomy_and17.2: Heart Anatomy - Medicine LibreTexts

    Figure 17.2.1 17.2. 1 shows the position of the heart within the thoracic cavity. Within the mediastinum, the heart is separated from the other mediastinal structures and is held in place by a tough wrapping known as the pericardium, or pericardial sac. The sac also limits the range of motion of the heart as it beats.

  6. med.libretexts.org › Bookshelves › Anatomy_and17.2: Heart Anatomy - Medicine LibreTexts

    Oct 20, 2024 · The slight deviation of the apex to the left is reflected in a depression in the medial surface of the inferior lobe of the left lung, called the cardiac notch. Figure 17.2.1 17.2. 1: Location of Heart in the Thorax. The heart is located within the thoracic cavity, medially between the lungs in the mediastinum.

  7. biologydictionary.net › cardiac-muscleCardiac Muscle - Definition, Function and Structure | Biology ...

    Oct 4, 2019 · Cardiac Muscle Definition. Cardiac muscle, also known as heart muscle, is the layer of muscle tissue which lies between the endocardium and epicardium. These inner and outer layers of the heart, respectively, surround the cardiac muscle tissue and separate it from the blood and other organs. Cardiac muscle is made from sheets of cardiac muscle ...

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  9. www.kenhub.com › anatomy › layers-of-the-heartLayers of the heart: Epicardium, myocardium, endocardium - Kenhub

    Nov 3, 2023 · The endocardium has two layers. The inner layer lines the heart chambers and is made of endothelial cells. Superiorly, is the second layer: a subendocardial connective tissue which is continuous with the connective tissue of the myocardium. Branches of the heart’s conduction system are immersed into the subendocardial layer.

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