acanthosisn.
/akənˈθəʊsɪs/, U.S. /ˌækənˈθoʊsəs/ Medicine and Pathology.
Disease of the skin affecting the prickle-cell layer (stratum spinosum) of the epidermis; hyperplasia of prickle cells; an instance of this.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of visible parts > skin disorders > [noun] > hardening or thickening
callosity?a1425
callousness1634
imperspirability1745
hyperkeratosis1841
scleroderma1873
sclerodermia1873
parakeratosis1885
acanthosis1887
tylosis1890
lichenification1892
sclerœdema1932
1887 Jrnl. Cutaneous & Genito-urinary Dis. 5 430 Epidermidoses embrace also three orders, viz.: ‘Keratoses’, ‘acanthoses’ and ‘chromatoses epidermidis’.
1903 J. M. H. Macleod Pract. Handbk. Pathol. Skin xii. 94 In the sarcomata of the skin the epidermis immediately above the neoplasm is thinned; but at the sides of it an acanthosis is usually present.
1968 H. O. Mackey & J. P. Mackey Handbk. Dis. Skin (ed. 9) xvi. 153 (caption) The section shows the characteristic features of psoriasis, viz. acanthosis, papillomatosis,..and dilatation of the capillary loops.
1994 Jrnl. Dermatol. 21 102 The former showed cup-shaped acanthosis with a parakeratotic column containing Munro's microabscesses.
2010 Jrnl. Cutaneous Pathol. 37 491/1 Histology showed marked acanthosis, hyperkeratosis and an intraepidermal infiltration consisting of large atypical lymphocytes.
Compounds
acanthosis nigricans n. [ < scientific Latin acanthosis nigricans (see quot. 1890) < acanthosis acanthosis n. + classical Latin nigricāns (see nigricant adj.)] a disorder characterized by thickening and darkening of the skin, often with wart-like excrescences, typically affecting the armpits, groin, and other areas with folds of skin, and often occurring in persons with cancer or endocrine disease.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of visible parts > skin disorders > [noun] > other diseases or conditions
impetigo1398
deadingc1400
St Anthonyc1405
foulness1559
acrochordon1565
foulness1583
heat1597
bleach1601
Anthony's fire1609
desquamation1726
sivvens1762
erythema1778
rupia1813
morula1817
dermalgia1842
mycosis1846
cheloid1854
keloid1854
morule1857
kelis1864
dermatosis1866
epithelioma1872
vagabond's disease1876
vagabond's skin1876
dermatitis1877
erysipeloid1888
Ritter's disease1888
acanthosis nigricans1890
angiokeratoma1891
sunburn1891
porokeratosis1893
acrodermatitis1894
epidermolysis1894
keratolysis1895
dermographism1896
neurodermatitis1896
peau d'orange1896
X-ray dermatitis1897
dermatomyositis1899
papulo-erythema1899
pyodermia1899
tar acne1899
dermographia1900
radiodermatitis1903
poikiloderma1907
neurodermatosis1909
leishmanoid1922
razor burn1924
pyoderma1930
photodermatosis1931
photodermatitis1933
necrobiosis lipoidica1934
pyoderma gangrenosum1936
fassy1943
acrodermatitis enteropathica1945
chicken skin1946
nylon stocking dermatitis1947
Sézary('s) syndrome1953
pigskin1966
washerwoman's skin1981
strimmer rash1984
1890 S. Pollitzer in P. G. Unna et al. Internat. Atlas Rare Skin Dis. IV. x. 1 (heading) Acanthosis nigricans.
1966 G. P. Wright & W. S. Symmers Systemic Pathol. II. xxxix. 1500/2 The clinical picture of acanthosis nigricans is characterized by thickening and deep pigmentation of the skin of the flexures, with hyperkeratosis of the palms and soles, and areas of depigmentation and warty tumours elsewhere.
2003 N.Y. Times Mag. 16 Nov. 38/2 All of her symptoms could also be related to high levels of insulin..the development of male characteristics like facial hair, acanthosis nigricans and menstrual irregularities.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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n.1887