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<p><b>New page</b></p><div>'''Cardinal Vein'''<br />
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[[File:PZSL1889Page148.png|thumb|alt=PZSL1889Page148]]<br />
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The '''Cardinal Vein''' is a significant component of the [[embryonic]] [[circulatory system]]. It is one of the earliest veins to form in the [[vertebrate]] embryo, and plays a crucial role in the development of the mature venous system.<br />
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==Development==<br />
The Cardinal Vein develops in the early stages of [[embryogenesis]]. It forms from the [[vasculogenesis]] of the [[mesoderm]], the middle layer of the three primary germ layers in the very early [[embryo]]. The Cardinal Vein is initially paired, with a right and left vein forming on either side of the developing [[spinal cord]].<br />
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==Function==<br />
The Cardinal Vein is responsible for draining the blood from the body of the embryo back to the [[heart]]. It is a precursor to the systemic venous system, which in adults includes the [[superior vena cava]], [[inferior vena cava]], and the [[azygos vein]].<br />
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==Clinical Significance==<br />
Understanding the development and function of the Cardinal Vein is essential for medical professionals, particularly those specializing in [[cardiology]] and [[vascular surgery]]. Abnormalities in the development of the Cardinal Vein can lead to various [[congenital heart defects]].<br />
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==See Also==<br />
* [[Embryology]]<br />
* [[Venous system]]<br />
* [[Superior vena cava]]<br />
* [[Inferior vena cava]]<br />
* [[Azygos vein]]<br />
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==References==<br />
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[[Category:Anatomy]]<br />
[[Category:Cardiovascular system]]<br />
[[Category:Embryology]]<br />
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{{anatomy-stub}}</div>Prabhu