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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. Bundle of His - Wikipedia

    en.wikipedia.org/wiki/Bundle_of_His

    The bundle of His branches into the left and the right bundle branches, which run along the interventricular septum. The left bundle branch further divides into the left anterior fascicle and the left posterior fascicle. These bundles and fascicles give rise to thin filaments known as Purkinje fibers. These fibers distribute the impulse to the ...

  4. Bundle branches - Wikipedia

    en.wikipedia.org/wiki/Bundle_branches

    There are two branches of the bundle of His: the left bundle branch and the right bundle branch, both of which are located along the interventricular septum. The left bundle branch further divides into the left anterior fascicle and the left posterior fascicle. These structures lead to a network of thin filaments known as Purkinje fibers.

  5. Anatomy of the human heart - Wikipedia

    en.wikipedia.org/wiki/Anatomy_of_the_human_heart

    The LAD travels within the interventricular groove and gives of diagonal and septal branches. Diagonal branches supply the anterior surface of the heart while septal branches supply the muscle mass of the interventricular septum; the first one supplies the atrioventricular bundle at the point of its bifurcation. [27]

  6. Left anterior descending artery - Wikipedia

    en.wikipedia.org/wiki/Left_anterior_descending...

    The artery supplies the anterior region of the left ventricle, including: the anterolateral myocardium, apex, anterior interventricular septum, and anterolateral papillary muscle. [8] The LAD typically supplies 45–55% of the left ventricle and is therefore considered the most critical vessel in terms of myocardial blood supply. [citation needed]

  7. Coronary arteries - Wikipedia

    en.wikipedia.org/wiki/Coronary_arteries

    The left anterior descending artery perfuses the interventricular septum and anterior wall of the left ventricle. The left circumflex artery perfuses the left ventricular free wall. The left circumflex artery perfuses the left ventricular free wall.

  8. Moderator band - Wikipedia

    en.wikipedia.org/wiki/Moderator_band

    The moderator band (also known as septomarginal trabecula [1]) is a band of cardiac muscle found in the right ventricle of the heart. [2] [3] [4] It is well-marked in sheep and some other animals, including humans.

  9. Right coronary artery - Wikipedia

    en.wikipedia.org/wiki/Right_coronary_artery

    The right coronary artery supplies oxygenated blood to the right atrium, the right ventricle, and the posterior third and inferior end of the interventricular septum. [2] [5] It may also supply 25% to 35% of the left ventricle (LV). [10] There is significant overlap of supply of the coronary arteries. [2]