External nose: organ of smell, situated on the face between the mouth and the forehead.
Dorsum of nose: ridge of the nose.
Tip of nose: fleshy part between the nostrils.
Philtrum: vertical furrow between the nose and the upper lip.
Labial commissure: corners of the mouth, between the upper and lower lips.
Naris: opening of the nostril.
Ala: side of the nose.