philtrum 
Small cutaneous depression extending from the lower part of the nose to the upper lip.
septum
Thin cartilaginous wall separating the two nasal fossae; it is an extension of the bones of the nose.
dorsum of nose
Protruding median line of the nose extending from the root to the lobe.
root of nose
Portion of the face between the eyes from which the nose protrudes.
tip of nose
Round protuberance formed by the lower terminal part of the nose.
naris
Outer orifice of the nasal fossae lined with hairs that filter inhaled air, thus preventing the penetration of foreign bodies.
ala
Lower cartilaginous portion of the side of the nose next to the nostril.
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