Anterior naris

Dr Daniel J Bell et al.

The anterior (or external) nares (singular: naris) (or nostrils) form the entrance to the nose. Each naris is formed by a ring of structures:

By virtue of the actions of the compressor naris and the dilatator naris muscles the nostrils are narrowed or flared respectively.

Anatomy: Head and neck

Anatomy: Head and neck

Article information

rID: 55159
System: Head & Neck
Section: Anatomy
Tag: nose
Synonyms or Alternate Spellings:
  • Noseholes
  • External nares
  • External naris
  • Anterior nares
  • Naris
  • Nostril
  • Nostrils
  • Nosehole
  • Left nostril
  • Right nostril
  • Left naris
  • Right naris

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