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.

Поможем решить контрольную работу

Look at other dictionaries:

  • hyperkeratosis — Thickening of the horny layer of the epidermis or mucous membrane. SEE ALSO: keratoderma, keratosis. SYN: hyperkeratinization. h. congenita SYN: ichthyosis vulgaris. diffuse h. of palms and soles an …   Medical dictionary

  • Acne — Localized skin inflammation as a result of overactivity of the oil glands at the base of hair follicles. Acne happens when oil (sebaceous) glands come to life around puberty, when these glands are stimulated by male hormones that are produced in… …   Medical dictionary

  • Monilethrix — Classification and external resources ICD 10 Q84.1 (ILDS Q84.140) ICD 9 757.4 …   Wikipedia

  • Hidradenitis suppurativa — Infobox Disease Name = Hidradenitis suppurativa Caption = DiseasesDB = 5892 ICD10 = ICD10|L|73|2|l|60 ICD9 = ICD9|705.83 ICDO = OMIM = MedlinePlus = eMedicineSubj = emerg eMedicineTopic = 259 eMedicine mult = eMedicine2|med|2717… …   Wikipedia

  • Disease — Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the… …   Medical dictionary

  • lichen — A discrete flat papule or an aggregate of papules giving a patterned configuration resembling l. growing on rocks. [G. leichen, l.; a lichenlike eruption] l. myxedematosus a lichenoid eruption of papules on the upper body of mucinous edema due to …   Medical dictionary

  • phrynoderma — A follicular hyperkeratotic eruption thought to be due to deficiency of vitamin A. SYN: toad skin. [G. phrynos, toad, + derma, skin] * * * phry·no·der·ma .frī nə dər mə n a rough dry skin eruption marked by keratosis and usu. associated with… …   Medical dictionary

  • Vulimiri Ramalingaswami — (August 8, 1921 ndash; May 28, 2001) was an Indian medical scientist. He was born to an orthodox Brahmin family of South India. His father was a lowly paid government servant. He received his medical education from Andhra Medical School and then… …   Wikipedia

  • Hugh Macdonald Sinclair — Hugh Macdonald Sinclair, FRCP (4 February 1910 – 22 July 1990) was one of the 20th century’s outstanding experts in human nutrition. He is most widely known for claiming that what he called diseases of civilization such as coronary heart disease …   Wikipedia

  • vitamin A — a yellow, fat soluble, solid terpene alcohol, C20H30O, obtained from carotene and occurring in green and yellow vegetables, egg yolk, etc.: essential to growth, the protection of epithelial tissue, and the prevention of night blindness. Also… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”