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  2. Interventricular septum - Wikipedia

    en.wikipedia.org/wiki/Interventricular_septum

    The interventricular septum (IVS, or ventricular septum, or during development septum inferius) is the stout wall separating the ventricles, the lower chambers of the heart, from one another. The interventricular septum is directed obliquely backward to the right and curved with the convexity toward the right ventricle ; its margins correspond ...

  3. Atrioventricular septum - Wikipedia

    en.wikipedia.org/wiki/Atrioventricular_septum

    Atrioventricular septum. Interior of heart. (AV septum not labeled, but region is visible.) Coronal cross section of heart. Note how the septum between the RA and LV becomes membranous. The atrioventricular septum is a septum of the heart between the right atrium (RA) and the left ventricle (LV). [1][2] Although the name "atrioventricular ...

  4. Interatrial septum - Wikipedia

    en.wikipedia.org/wiki/Interatrial_septum

    Structure. The interatrial septum is a septum that lies between the left atrium and right atrium of the human heart. The interatrial septum lies at angle of 65 degrees from right posterior to left anterior because right atrium is located at the right side of the body while left atrium is located at the left side of the body. [1]

  5. Septum - Wikipedia

    en.wikipedia.org/wiki/Septum

    Interatrial septum, the wall of tissue that is a sectional part of the left and right atria of the heart [1] Interventricular septum, the wall separating the left and right ventricles of the heart [2] Lingual septum, a vertical layer of fibrous tissue that separates the halves of the tongue [3]

  6. Heart development - Wikipedia

    en.wikipedia.org/wiki/Heart_development

    The developing heart at day 30. The septum primum (top, middle) develops downwards to separate the initially joined primitive atrium into left and right atria. At the end of the fourth week, a crest grows that leaves the cephalic part. This crest is the first part of the septum primum.

  7. Coronary circulation - Wikipedia

    en.wikipedia.org/wiki/Coronary_circulation

    Coronary circulation is the circulation of blood in the arteries and veins that supply the heart muscle (myocardium). Coronary arteries supply oxygenated blood to the heart muscle. Cardiac veins then drain away the blood after it has been deoxygenated. Because the rest of the body, and most especially the brain, needs a steady supply of ...

  8. Atrial septal defect - Wikipedia

    en.wikipedia.org/wiki/Atrial_septal_defect

    Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atria (upper chambers) of the heart.Some flow is a normal condition both pre-birth and immediately post-birth via the foramen ovale; however, when this does not naturally close after birth it is referred to as a patent (open) foramen ovale (PFO).

  9. Cardiac conduction system - Wikipedia

    en.wikipedia.org/wiki/Cardiac_conduction_system

    Graphical representation of the electrical conduction system of the heart that maintains the heart rate in the cardiac cycle. Electrical signals arising in the SA node (located in the right atrium) stimulate the atria to contract. Then the signals travel to the atrioventricular node (AV node), which is located in the interatrial septum.

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