| 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) |
| keratonosis | Any abnormal noninflammatory, usually hypertrophic, affection of the horny layer of the skin. Origin: kerato-+ G. -osis, condition (05 Mar 2000) |
| keratonyxis | <medicine> The operation of removing a cataract by thrusting a needle through the cornea of the eye, and breaking up the opaque mass. Origin: Gr, horn + puncture. Source: Websters Dictionary (01 Mar 1998) |
| keratopachyderma | A syndrome of congenital deafness with development of hyperkeratosis of the skin of the palms, soles, elbows, and knees in childhood, and with bandlike constrictions of the fingers. Origin: kerato-+ G. Pachys, thick, + derma, skin (05 Mar 2000) |
| keratopathy | Any corneal disease, damage, dysfunction, or abnormality. Origin: kerato-+ G. Pathos, suffering, disease (05 Mar 2000) |