| 1. | The interatrial septum separates the atria and the interventricular septum separates the ventricles.
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| 2. | Normally, the atria are separated by a dividing wall, the interatrial septum.
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| 3. | During the first two months of development, the interatrial septum begins to form.
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| 4. | Myxomas are typically pedunculated, with a stalk that is attached to the interatrial septum.
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| 5. | The most common location for attachment of the stalk is the fossa ovalis region of the interatrial septum.
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| 6. | A sinus venosus ASD that involves the superior vena cava makes up 2 to 3 % of all interatrial communication.
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| 7. | The interatrial septum is a piece of tissue that separates the left and right oxygenated and deoxygenated blood, respectively.
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| 8. | The interventricular septum is much thicker than the interatrial septum, since the ventricles need to generate greater pressure when they contract.
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| 9. | The interatrial artery of the ostrich is small in size and exclusively supplies blood to only part of the left auricle and interatrial septum.
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| 10. | The interatrial artery of the ostrich is small in size and exclusively supplies blood to only part of the left auricle and interatrial septum.
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