A smooth and flat nævus, consisting essentially of augmented pigmentation alone.
Fig. 34.
Linear Nævus.
What is nævus pilosus?
A nævus upon which there is an abnormal growth of hair, slight or excessive.
What is nævus verrucosus?
A nævus to which is added hypertrophy of the papillæ, giving rise to a furrowed and uneven surface.
What is linear nævus?
Linear nævus is a formation usually of a verrucous character, more or less pigmented, sometimes slightly scaly, occurring in band-like or zoster-like areas, and, as a rule, unilaterally.