psoriasis

American  

[suh-rahy-uh-sis] / səˈraɪ ə sɪs /

noun

Pathology.

1. a common chronic, inflammatory skin disease characterized by scaly patches.

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psoriasis British  

/ ˌsɔːrɪˈætɪk, səˈraɪəsɪs /

noun

1. a skin disease characterized by the formation of reddish spots and patches covered with silvery scales: tends to run in families

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psoriasis Scientific  

/ sə-rī′ə-sĭs /

1. A chronic, inflammatory skin disease in which recurring reddish patches, often covered with silvery scales, appear especially on the knees, elbow, scalp and trunk. Psoriasis is noncontagious and is inheritable.

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Other Word Forms

• psoriatic adjective

Etymology

Origin of psoriasis

First recorded in 1675–85; from New Latin, from Greek psōríāsis, from psōriā- (variant stem of psōriân “to have the itch,” derivative of psṓra “itch”) + -sis -sis

Example Sentences

Some light therapies are used in hospitals for eczema, psoriasis and acne, but those are very different, delivering precisely targeted UV rays under strict medical supervision.

From BBC

Roughly 20 to 30 percent of people with psoriasis eventually develop painful joint inflammation.

From Science Daily

She said she developed agoraphobia and psoriasis after the harassment and needed antidepressants.

From Barron's

Tremfya treats plaque psoriasis, psoriatic arthritis, ulcerative colitis and Crohn’s disease.

From The Wall Street Journal

Growth was partially offset by declining sales of Stelara, a treatment for psoriasis and Crohn’s disease, patents for which have begun to expire, as well as for cancer drug Imbruvica.

From The Wall Street Journal