follicular hyperkeratosis

follicular hyperkeratosis
a skin condition characterized by hyperkeratosis of hair follicles, resulting in rough, cone-shaped, elevated papules whose openings are often closed with a white plug of sebum. Deficiencies of vitamins A and E, B complex vitamins, and essential fatty acids have all been implicated in the etiology. Called also phrynoderma and toad skin.

Medical dictionary. 2011.

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