Pronunciation: len-tī′gō, len-tij′i-nēz
Definition: A benign, acquired brown macule resembling a freckle except that the border is usually regular and microscopic elongation of rete ridges is present, with increased melanocytes and melanin pigment in the basal cell layer.
Synonym(s): lentigo simplex
[L. fr. lens (lent-), a lentil]
See Also: junction nevus
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Examples: glitazone, GI cocktail, etc.