| keratolysis exfoliativa | Familial continual skin peeling characterised by a separation of stratum corneum in leaflike flakes occurring everywhere except on the palms and soles; the cause is unknown. Synonym: erythema exfoliativa, erythroderma exfoliativa. (05 Mar 2000) |
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| keratolysis plantare sulcatum | Noninflammatory Gram-positive bacterial infection of the plantar surfaces producing small depressions in the stratum corneum, associated frequently with humidity and hyperhidrosis. Synonym: keratolysis plantare sulcatum. (05 Mar 2000) |
| keratolytic | An agent that promotes keratolysis. Origin: Gr. Lysis = dissolution (18 Nov 1997) |
| keratolytic agents | Agents that soften, separate, and cause desquamation of the cornified epithelium or horny layer of skin. They are used to expose mycelia of infecting fungi or to treat corns, warts, and certain other skin diseases. (12 Dec 1998) |
| keratoma | A callus. (12 Dec 1998) |
| keratoma disseminatum | Horny papules over the palms, soles, and digits that develop central plugs; seen commonly in blacks. Synonym: keratoma disseminatum, keratosis punctata. (05 Mar 2000) |
| keratoma hereditarium mutilans | Diffuse keratoderma of the extremities, with the development during childhood of constricting fibrous bands around the middle phalanx of the fingers or toes which may lead to spontaneous amputation; autosomal dominant inheritance. Synonym: keratoma hereditarium mutilans, Vohwinkel syndrome. (05 Mar 2000) |
| keratoma malignum | A genodermatosis characterised by diffuse chronic erythema and scale formation which may be separated into bullous and nonbullous forms. Synonym: ichthyosiform erythroderma, ichthyosis spinosa, keratoma malignum. (05 Mar 2000) |
| keratoma plantare sulcatum | The occurrence of symmetrical diffuse or patchy areas of hypertrophy of the horny layer of the epidermis on the palms and soles; a group of ectodermal dysplasias of considerable variety, and either autosomal dominant or recessive inheritance. Synonym: ichthyosis palmaris et plantaris, keratoderma palmaris et plantaris, keratoderma symmetrica, keratoma plantare sulcatum, keratosis palmaris et plantaris, tylosis palmaris et plantaris. (05 Mar 2000) |
| keratomalacia | Dryness with ulceration and perforation of the cornea, with absence of inflammatory reactions, occurring in cachectic children; results from severe vitamin A deficiency. Synonym: xerotic keratitis. Origin: kerato-+ G. Malakia, softness (05 Mar 2000) |
| keratome | <surgery> An instrument for dividing the cornea in operations for cataract. Origin: Gr. Horn + to cut. Source: Websters Dictionary (01 Mar 1998) |
| keratometer | An instrument for measuring the curvature of the anterior corneal surface. Synonym: ophthalmometer. Origin: kerato-+ G. Metron, measure (05 Mar 2000) |
| keratometry | Measurement of the radii of corneal curvature. (05 Mar 2000) |
| keratomileusis | Surgical alteration of refractive error by changing the shape of a deep layer of the cornea: the anterior lamella is peeled back, frozen, and recarved on its back surface on a lathe; or, some of the corneal stroma can be removed from the bed with a laser or a knife. Origin: coinage, prob. Fr. G. Keras (kerat-), horn, cornea, + smileusis, carving (05 Mar 2000) |
| keratomycosis | Fungal infection of the cornea. (05 Mar 2000) |