| 11. | Much like a mammalian heart, the avian heart is composed of endocardial, myocardial and epicardial layers.
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| 12. | Two endocardial tubes form here that fuse to form a primitive heart tube known as the tubular heart.
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| 13. | Endocardial cushion defects are associated with abnormalities of the atrioventricular valves ( the mitral valve and the tricuspid valve ).
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| 14. | In this area, two separate angiogenic cell clusters form on either side and coalesce to form the endocardial tubes.
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| 15. | In some Nkx2.5 mutants, the cardiac tube is formed but the endocardial cushions and trabeculae are absent.
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| 16. | In January 2005, St . Jude Medical acquired Saint Paul, Minnesota-based Endocardial Solutions for $ 272 million.
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| 17. | Not every endocardial opening connects to the thebesian veins as some connect to the vessels of Wearn, which are arteries.
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| 18. | By the third week of embryological life, the endocardial tubes have developed a swelling in the part closest to the heart.
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| 19. | After the development of the SAN, the superior endocardial cushions begin to form a pacemaker as known as the atrioventricular node.
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| 20. | Therefore, the endocardial opening must be traced to a vein before it is definitely called an opening of the smallest cardiac veins.
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