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A Useful Test of Facial Nerve Integrity

Clarence T. Sasaki, MD; Douglas G. Mann

Arch Otolaryngol. 1976;102(6):365-367.

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)

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

Footnotes
Accepted for publication Feb 26, 1976.

Reprint requests to the Department of Surgery, Section of Otolaryngology, Yale University School of Medicine, 333 Cedar St, New Haven, CT 06510 (Dr Sasaki).

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