| 1. | Endogenous sulfur dioxide in low concentrations causes endothelium-dependent vasodilation.
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| 2. | When tissue metabolism increases, catabolic products accumulate leading to vasodilation.
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| 3. | However, it causes vasodilation and decreased vascular resistance during hypoxia.
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| 4. | Vasodilation is caused by the release of nitric oxide and adenosine.
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| 5. | Vasodilation is a similar process mediated by antagonistically acting mediators.
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| 6. | Through their role in vasodilation, prostacyclins are also involved in inflammation.
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| 7. | Thus sympathetic innervation to the coronary arteries ultimately causes vasodilation.
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| 8. | The neurons that control vascular vasodilation originate in the hypothalamus.
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| 9. | Vasodilation, dopamine, and circulatory factors are all implicated in migraine.
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| 10. | Consequently, the concentration of cGMP decreases and the vasodilation is stopped.
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