Sympathetic Influence on the Nasal Mucosa

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Abstract
The tone of the resistance vessels determines the capillary flow and the tone of the capacitance vessels—the nasal patency. Lower impulse frequencies in the sympathetic nerves affect mainly the capacitance vessels, while higher frequencies affect both types of vessel. The existence of both α and β-adrenoreceptors and their distribution offer pharmacological ways to affect mainly one type of the vessels.