Pocket Atlas of the Nose and Paranasal Sinuses :: THE EXTERNAL NOSE :: 9_G
 THE EXTERNAL NOSE  
ALAR COLLAPSE DURING INSPIRATION

ALAR COLLAPSE DURING INSPIRATION

Description : When the cartilaginous supporting framework within the ala nasae is weakened or deficient, the lateral wall of the nasal vestibule will be sucked inwards during nasal inspiration (alar collapse) as seen on this patient's left side.

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