Ichthyosis is a family of
genetic dermatological conditions seen in humans and domestic animals. The word comes from
Greek ιχθύωσις lit. "forming fish", as people or animals with ichthyosis have scaly skin which can vaguely resemble the
scales of a fish. The term ichthyosis is sometimes used to refer to the specific condition
ichthyosis vulgaris. Ichthyosis was formerly referred to as "pseudo-leprosy," as it can produce an appearance superficially similar to that of
leprosy.
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