ichthyosis /ich·thy·o·sis/ (-sis) any in a group of cutaneous disorders characterized by increased or aberrant keratinization, resulting in noninflammatory scaling of the skin; most are genetically determined; often used to denote i. vulgaris. ichthyot´ic
ichthyosis hys´trix a rare form of epidermolytic hyperkeratosis, marked by generalized, dark brown, linear verrucoid ridges somewhat like porcupine skin.
lamellar ichthyosis a hereditary disease present at or soon after birth, with large, quadrilateral, grayish brown scales; it may be associated with short stature, oligophrenia, spastic paralysis, genital hypoplasia, hypotrichia, and shortened life-span.
ichthyosis sim´plex i. vulgaris.
ichthyosis u´teri transformation of the columnar epithelium of the endometrium into stratified squamous epithelium.
ichthyosis vulga´ris hereditary ichthyosis present at or shortly after birth, with large, thick, dry scales on the neck, ears, scalp, face, and flexural surfaces.
ichthyosis u·ter·i (y  t -r  )n. The transformation of the columnar epithelium of the endometrium into stratified squamous epithelium. |
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