Definition of Hyperpigmentation

1. Noun. Unusual darkening of the skin.




Definition of Hyperpigmentation

1. Noun. The darkening of an area of skin or nails, caused by increased melanin. ¹

¹ Source: wiktionary.com

Medical Definition of Hyperpigmentation

1. Darkening of the skin. (16 Dec 1997)

Hyperpigmentation Pictures

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Lexicographical Neighbors of Hyperpigmentation

hyperphoria
hyperphosphataemia
hyperphosphatasaemia
hyperphosphatasia
hyperphosphatemia
hyperphosphaturia
hyperphosphorylated
hyperphosphorylation
hyperphosphorylations
hyperphrenia
hyperphrenic
hyperphysical
hyperpiesia
hyperpiesis
hyperpietic
hyperpigmentation (current term)
hyperpigmentations
hyperpigmented
hyperpipecolatemia
hyperpipecolic acidemia
hyperpituitarism
hyperpituitary
hyperplane
hyperplane eyepiece
hyperplanes
hyperplasia
hyperplasias
hyperplastic
hyperplastic arteriosclerosis
hyperplastic cholecystosis

Literary usage of Hyperpigmentation

Below you will find example usage of this term as found in modern and/or classical literature:

1. Ultra violet rays in modern dermatology by Ralph Bernstein (1918)
"COMMENTS ON TIME, PRESSURE, REACTION, PAIN, SCARRING, HAEMORRHAGE, EMBOLISM AND hyperpigmentation. The results to be obtained in the use of ultra violet ..."

2. The Principles and Practice of Dermatology by William Allen Pusey (1917)
"True hyperpigmentation (melanosis) is produced by the presence of an increased quantity of melanin in the lower part of the mucous layer and in the ..."

3. Collected Papers by the Staff of Saint Mary's Hospital, Mayo Clinic by Saint Marys Hospital (Rochester, Minn.) (1917)
"Histologic examination of the ganglion showed granular degeneration of the ganglion-cells, 3; hyperpigmentation, 1; embryonic cells, 1; atrophy of the ..."

4. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1916)
"Cases 5 and 6 may be grouped with three operative cases previously reported.1 These 5 cases showed considerable hyperpigmentation and granular degeneration, ..."

5. Arsenic by Assembly Of Life Sciences, National Academies Press, Assembly of Life Sciences (U.S.), National Academy of Sciences (U.S.) (1977)
"The male : female ratios were 2.9 : 1 for skin cancer and 1.1:1 for hyperpigmentation and keratosis. Generally speaking, the prevalence of each of the three ..."

6. The British Journal of Dermatology by British Association of Dermatology (1906)
"The skin at the margins of the area did not present any marked hyperpigmentation. The lesion began at the age of four years and was gradually spreading. ..."

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