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Article
June 1976

Dilator Naris Function: A Useful Test of Facial Nerve Integrity

Author Affiliations

From the Department of Surgery, Section of Otolaryngology, Yale University School of Medicine, New Haven, Conn.

Arch Otolaryngol. 1976;102(6):365-367. doi:10.1001/archotol.1976.00780110077009
Abstract

• The dilator naris muscle is an active participant of respiration in man. Its level of function appears to vary directly with ventilatory resistance. Three cases are reported to illustrate the use of the respiratory function of this muscle as a clinical test of seventh nerve integrity when its volitional function cannot be elicited.

(Arch Otolaryngol 102:365-367, 1976)

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