What are the nostrils called?

The the nostrils is called the external nares. Gray's Anatomy (1918) describes it as the two external openings of the nose.

What it is

  • The two external openings of the nose.
  • Separated by the septum.
  • Guarded by short hairs (vibrissae) that trap coarse particles.

Where it is

  • At the front of the nose.
  • Open downward into the vestibule of the nasal cavity.
  • Their shape and size can change with the movement of the alar cartilages.

Source:

Last verified: 2026-07-18

  • Best Anatomy Answers is an educational reference about human anatomy. It is not medical advice — for any health concern, talk to a licensed medical professional.

View as .md