what is alar nasal sulcus
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Author information: (1)Department of Otolaryngology, University of Michigan, Ann Arbor, USA. The alar-facial sulcus is an important topographical region because it represents a junctional zone of three cosmetic units: the nasal base, the medial aspect of the cheek, and the upper lip.
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the alar-facial sulcus is an important topographical region because it represents a junctional zone
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