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 mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197


Keller bunionectomy
<orthopaedics, procedure> Excision of the proximal portion of the proximal phalanx of the first toe. ... (05 Mar 2000) ...

Keller, William Lordan
<person> U.S. Surgeon. ... Lived: 1874-1959. ... See: Keller bunionectomy. ... (05 Mar 2000) ...

Kellie, George
<person> 18th century Scottish anatomist. ... See: Monro-Kellie doctrine. ... (05 Mar 2000) ...

Kelly clamp
A curved haemostat without teeth, introduced for gynecological surgery. ... (05 Mar 2000) ...

Kelly, Adam
<person> British otolaryngologist, 1865-1941. ... See: Paterson-Kelly syndrome, Paterson-Brown-Kelly syndrome. ... (05 Mar 2000) ...

Kelly, Howard
<person> U.S. Gynecologist, 1858-1943. ... See: Kelly clamp, Kelly's operation, Kelly's rectal speculum. ... (05 Mar 2000) ...

Kelly's operation
Correction of retroversion of the uterus by plication of uterosacral ligaments, correction of urinary stress incontinence by vaginally placing sutures beneath the bladder neck. ... (05 Mar 2000) ...

Kelly's rectal speculum
A tubular speculum with obturator for rectal examination. ... (05 Mar 2000) ...

keloid
<dermatology> A sharply elevated, irregularly shaped, progressively enlarging scar due to the formation of excessive amounts of collagen in the corium during connective tissue repair. ... Origin: Gr. Kel = tumour, eidos = form ... (18 Nov 1997) ...

keloidosis
Multiple keloids. ... (05 Mar 2000) ...

keloplasty
Operative removal of a scar or keloid. ... Origin: keloid + G. Plastos, formed ... (05 Mar 2000) ...

kelosomia
Synonym for celosomia ... Congenital protrusion of the abdominal or thoracic viscera, usually with a defect of the sternum and ribs as well as of the abdominal walls. ... Synonym: kelosomia. ... Origin: G. Kele, hernia, + soma, body ... (05 Mar 2000) ...

kelp
1. The calcined ashes of seaweed, formerly much used in the manufacture of glass, now used in the manufacture of iodine. ... 2. <botany> Any large blackish seaweed. ... Laminaria is the common kelp of Great Britain; Macrocystis pyrifera and Nereocystis Lutkeana are the great kelps of the Pacific Ocean. Kelp crab, a serranoid food fish (Serranus …

kelvin
<unit> A temperature scale where zero degrees corresponds to absolute zero (no thermal energy), degrees have same size as in Celsius/centigrade scale. 273.16 K = zero C, 373.16 = 100 C. ... Abbreviation: K ... (13 Nov 1997) ...

Kelvin scale
Temperature scale in which the triple point of water is assigned the value of 273.16 K; °C = K -273.15. ... (05 Mar 2000) ...

Kelvin, Lord William Thomson
<person> Scottish physicist, 1824-1907. ... See: kelvin, Kelvin scale. ... (05 Mar 2000) ...

kemerovo virus
A species of antigenically related tick-borne viruses found in eastern europe, egypt, and sudan. ... (12 Dec 1998) ...

Kempner diet
Synonym for rice diet ... A diet of rice, fruit, and sugar, plus vitamin and iron supplements, devised by Kempner to treat hypertension. In 2,000 calories, the diet contains 5 gm or less of fat, about 20 gm of protein, and not more than 150 mg of sodium. ... Synonym: Kempner diet. ... (05 Mar 2000) ...

Kendall method
Synonym for Abell-Kendall method ... A standard method for estimation of total serum cholesterol involving saponification of cholesterol ester by hydroxide, extraction with petroleum ether, and colour development with acetic anhydride-sulfuric acid; the method avoids interference by bilirubin, protein, and haemoglobin. ... (05 Mar 2000) ...

Kendall's compounds
A group of corticosteroids. Kendall's compound A (11-dehydrocorticosterone); Kendall's compound B (corticosterone); Kendall's compound E (cortisone); Kendall's compound F (cortisol). ... Synonym: Kendall's substance. ... (05 Mar 2000) ...

Kendall's substance
Synonym for Kendall's compounds ... A group of corticosteroids. Kendall's compound A (11-dehydrocorticosterone); Kendall's compound B (corticosterone); Kendall's compound E (cortisone); Kendall's compound F (cortisol). ... Synonym: Kendall's substance. ... (05 Mar 2000) ...

Kennedy classification
<dentistry> A listing of several forms of partially edentulous jaws in accordance with the distribution of the missing teeth. ... (05 Mar 2000) ...

Kennedy, Edward
<person> U.S. Dentist, *1883. ... See: Kennedy classification. ... (05 Mar 2000) ...

Kennedy, Robert Foster
<person> U.S. Neurologist, 1884-1952. ... See: Kennedy's syndrome, Foster Kennedy's syndrome. ... (05 Mar 2000) ...

Kennedy, William
<person> U.S. Neurologist. ... See: Kennedy's disease. ... (05 Mar 2000) ...

Kennedy's disease
<neurology> An X-linked recessive disorder characterised by progressive spinal and bulbar muscular atrophy; associated features include distal degeneration of sensory axons, and signs of endocrine dysfunction, including diabetes mellitus, gynaecomastia, and testicular atrophy. ... Inheritance: X-linked recessive. ... (05 Mar 2000) ...

Kennedy's syndrome
<syndrome> Ipsilateral optic atrophy with central scotoma and contralateral choked disk or papilledema, caused by a meningioma of the ipsilateral optic nerve. ... Synonym: Foster Kennedy's syndrome. ... (05 Mar 2000) ...

kennel cough
An imprecise term which has been used for a number of diseases in dogs which are characterised by bronchitis and caused by a variety of infectious agents. ... (05 Mar 2000) ...

Kenny, Elizabeth
<person> Australian nurse, 1886-1952. ... See: Kenny's treatment. ... (05 Mar 2000) ...

Kenny's treatment
A method for the treatment of anterior poliomyelitis; the affected parts are wrapped in woolen cloth wrung out with hot water; after the acute stage of the disease has passed, the limbs are passively exercised to reeducate the paralysed muscles. ... (05 Mar 2000) ...

keno-
See: ceno-. ... Origin: G. Kenos, empty ... (05 Mar 2000) ...

Kent-His bundle
Synonym for atrioventricular bundle ... The bundle of modified cardiac muscle fibres that begins at the atrioventricular node as the trunk of the atrioventricular bundle and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum where the trunk divides into two branches, the right crus of the atr …

Kent, Albert
<person> English physiologist, 1863-1958. ... See: Kent's bundle, Kent-His bundle. ... (05 Mar 2000) ...

Kent's bundle
Synonym for atrioventricular bundle ... The bundle of modified cardiac muscle fibres that begins at the atrioventricular node as the trunk of the atrioventricular bundle and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum where the trunk divides into two branches, the right crus of the atr …

kenya
A republic in eastern africa, south of ethiopia and east of somalia. Its capital is nairobi. The region was organised as the british east africa protectorate in 1895, became a british colony in 1920, became independent in 1963, and became a republic in 1964. It took its name from mount kenya which probably meant simply mountain. ... (12 Dec 1998) …

Kenya fever
Synonym for boutonneuse fever ... A febrile disease of the mediterranean area, the crimea, africa, and india, caused by infection with rickettsia conorii. ... (12 Dec 1998) ...

kepone
An insecticide consisting of a cage structure; neurotoxic chemical. ... (05 Mar 2000) ...

Keq
<chemistry> The equilibrium constant for a reversible reaction. ... (18 Nov 1997) ...

Kerandel, Jean
<person> French physician, 1873-1934. ... See: Kerandel's symptom. ... (05 Mar 2000) ...

Kerandel's symptom
Deep-seated hyperesthesia observed in cases of sleeping sickness. ... (05 Mar 2000) ...

keraphyllocele
A horny tumour on the internal face of the wall of a horse's foot. ... Origin: G. Keras, horn, + phyllon, leaf, + kele, hernia, tumour ... (05 Mar 2000) ...

kerat-
See: kerato-. ... (05 Mar 2000) ...

keratan sulfate
<chemical> A sulfated mucopolysaccharide initially isolated from bovine cornea. at least two types are known. Type I, found mostly in the cornea, contains d-galactose and d-glucosamine-6-o-sulfate as the repeating unit; type II, found in skeletal tissues, contains d-galactose and d-galactosamine-6-o-sulfate as the repeating unit. ... Chemical …

keratan sulphate
Synonym for glycosaminoglycans ... Heteropolysaccharides which contain an n-acetylated hexosamine in a characteristic repeating disaccharide unit. The repeating structure of each disaccharide involves alternate 1,4- and 1,3-linkages consisting of either n-acetylglucosamine or n-acetylgalactosamine. ... (12 Dec 1998) ...

keratectasia
Synonym: keratoectasia. ... Origin: kerato-+ G. Ektasis, extrusion ... (05 Mar 2000) ...

keratectomy
<procedure> An operation done to change the refraction of the cornea; a crescentic piece of corneal stroma is removed and the resultant corneal wound is sutured. This steepens the cornea and increases its power in that axis. ... Origin: kerato-+ G. Ektome, excision ... Photorefractive keratectomy, removal of part of the cornea with a laser to c …

keratein
The easily digested reduction product of keratin, in which the disulfide links are reduced to SH groups, the individual peptide chains being separated. ... (05 Mar 2000) ...

keratiasis
Synonym for keratosis ... <dermatology> A skin lesion that is abnormally sensitive to the effects of ultraviolet light (sunlight). ... Thought to be a precancerous skin lesion that is more common in the fair-skinned or elderly individual. Approximately 20% of these skin lesions will develop into squamous cell carcinoma. Prevention includes the …

keratic
Synonym: horny. ... Origin: G. Keras (kerat-), horn ... (05 Mar 2000) ...

keratic precipitates
Inflammatory cells on the corneal endothelium. ... Synonym: punctate keratitis, keratitis punctata. ... (05 Mar 2000) ...

keratin
<protein> A protein that is a primary constituent of hair, nails and skin. ... (27 Sep 1997) ...

keratin filaments
A class of intermediate filament's that form a network within epithelial cells and anchor to desmosomes, thus imparting tensile strength to the tissue. ... Synonym: cytokeratin filaments. ... (05 Mar 2000) ...

keratin pearl
A focus of central keratinization within concentric layers of abnormal squamous cells; seen in squamous cell carcinoma. ... Synonym: epithelial nest, epithelial pearl, squamous pearl. ... (05 Mar 2000) ...

keratinases
Hydrolases catalyzing the hydrolysis of keratin; each having slightly different specificities. ... (05 Mar 2000) ...

keratinised
Having become horny. ... Synonym: cornified. ... (05 Mar 2000) ...

keratinised cell
Synonym for corneocyte ... The dead keratin-filled squamous cell of the stratum corneum. ... Synonym: horny cell, keratinised cell. ... Origin: cornea, L. Fem. Of corneus, horny, + G. Kytos, cell ... (05 Mar 2000) ...

keratinising epithelium
<cell biology> An epithelium such as vertebrate epidermis in which a keratin rich layer is formed from intracellular cytokeratins as the outermost cells die. ... (18 Nov 1997) ...

keratinization
Keratin formation or development of a horny layer; may also apply to premature formation of keratin. ... Synonym: cornification, hornification. ... (05 Mar 2000) ...

keratinocyte
<pathology> Skin cell, of the keratinised layer of epidermis: its characteristic intermediate filament protein is cytokeratin. ... (18 Nov 1997) ...

keratinocyte growth factor
<growth factor> A growth factor structurally related to fibroblast growth factor. ... (18 Nov 1997) ...

keratinocytes
Epidermal cells which synthesise keratin and undergo characteristic changes as they move upward from the basal layers of the epidermis to the cornified (horny) layer of the skin. Successive stages of differentiation of the keratinocytes forming the epidermal layers are basal cell, spinous or prickle cell, and the granular cell. ... (12 Dec 1998) ...

keratinophilic
Denoting fungi that use keratin as a substrata, e.g., dermatophytes. ... Origin: keratin + Gr. Philos, love, attraction, + -ic ... (05 Mar 2000) ...

keratinous
1. Relating to keratin. ... Synonym: horny. ... (05 Mar 2000) ...

keratinous cyst
An epithelial cyst containing keratin. ... (05 Mar 2000) ...

keratins
Group of highly insoluble fibrous proteins (of high _ helical content) which are found as constituents of the outer layer of vertebrate skin and of skin related structures such as hair, wool, hoof and horn, claws, beaks and feathers. Extracellular keratins are derived from cytokeratins, a large and diverse group of intermediate filament proteins.
keratitis
<ophthalmology> Inflammation of the cornea. ... Compare: keratoconjunctivitis. ... (18 Nov 1997) ...

keratitis disciformis
Synonym for disciform keratitis ... Large disk-shaped infiltration of the central or paracentral corneal stroma. This lesion is deep and nonsuppurative and is seen in virus infections, particularly herpetic. ... Synonym: keratitis disciformis. ... (05 Mar 2000) ...

keratitis filamentosa
Synonym for filamentary keratitis ... A condition characterised by the formation of epithelial filaments of varying size and length on the corneal surface. ... Synonym: keratitis filamentosa. ... (05 Mar 2000) ...

keratitis linearis migrans
A deep, linear corneal opacity stretching from limbus to limbus; associated with congenital syphilis. ... (05 Mar 2000) ...

keratitis nummularis
Coin-shaped or round, discrete, grayish areas 0.5 to 1.5 mm in diameter scattered throughout the various layers of the cornea. ... Synonym: Dimmer's keratitis. ... (05 Mar 2000) ...

keratitis profunda
An inflammation of the posterior corneal stroma. ... Synonym: diffuse deep keratitis. ... (05 Mar 2000) ...

keratitis sicca
Synonym for keratoconjunctivitis sicca ... Drying and inflammation of the conjunctiva as a result of insufficient lacrimal secretion. When found in association with xerostomia and polyarthritis, it is called sjogren's syndrome. ... (12 Dec 1998) ...

keratitis, dendritic
A form of herpetic keratitis characterised by the formation of small vesicles which break down and coalesce to form recurring dendritic ulcers, characteristically irregular, linear, branching, and ending in knoblike extremities. ... (12 Dec 1998) ...

keratitis, herpetic
A superficial, epithelial herpes virus hominis infection of the cornea, characterised by the presence of small vesicles which may break down and coalesce to form dendritic ulcers (keratitis, dendritic). ... (12 Dec 1998) ...

kerato-
A confusing prefix it can refer to the cornea (as in keratitis and keratocornea) or to horny tissue (as in keratin and keratosis). ... (12 Dec 1998) ...

keratoacanthoma
A benign, non-neoplastic, usually self-limiting epithelial lesion closely resembling squamous cell carcinoma clinically and histopathologically. It occurs in solitary, multiple, and eruptive forms. The solitary and multiple forms occur on sunlight exposed areas and are identical histologically; they affect primarily white males. The eruptive form u …

keratoangioma
Synonym for angiokeratoma ... A discrete, pink to red telangiectasia having a tendency to undergo secondary epithelial changes, including acanthosis and hyperkeratosis. An underlying vascular abnormality is present in many cases. The term angiokeratoma is applied to a number of quite distinct conditions which share a common clinical presentation wit …

keratoatrophoderma
Synonym: porokeratosis. ... Origin: kerato-+ G. Atrophia, atrophy, + derma, skin ... (05 Mar 2000) ...

keratocele
Hernia of Descemet's membrane through a defect in the outer layers of the cornea. ... Origin: kerato-+ G. Kele, hernia ... (05 Mar 2000) ...

keratoconjunctitis
Inflammation of the eye involving both the cornea and conjunctiva. ... (12 Dec 1998) ...

keratoconjunctivitis
<ophthalmology> Inflammation of the cornea and conjunctiva. ... (18 Nov 1997) ...

keratoconjunctivitis sicca
Drying and inflammation of the conjunctiva as a result of insufficient lacrimal secretion. When found in association with xerostomia and polyarthritis, it is called sjogren's syndrome. ... (12 Dec 1998) ...

keratoconjunctivitis, infectious
Infectious diseases of cattle, sheep, and goats, characterised by blepharospasm, lacrimation, conjunctivitis, and varying degrees of corneal opacity and ulceration. In cattle the causative agent is moraxella (moraxella) bovis; in sheep, mycoplasma, rickettsia, chlamydia, or acholeplasma; in goats, rickettsia. ... (12 Dec 1998) ...

keratoconus
Cone-shaped cornea with the apex of the cone being forward. Also called conical cornea. ... (12 Dec 1998) ...

keratocricoid
Synonym for ceratocricoid ... Relating to the inferior cornua of the thyroid cartilage and to the cricoid cartilage, or the cricothyroid articulation. ... Synonym: keratocricoid. ... (05 Mar 2000) ...

keratocyst
Odontogenic cyst derived from remnants of the dental lamina and appearing as a unilocular or multilocular radiolucency which may produce jaw expansion; epithelial lining is characterised microscopically by a uniform thickness, a corrugated superficial layer of parakeratin, and a prominent basal layer composed of palisaded columnar cells; associated …

keratocyte
The fibroblastic stromal cell of the cornea. ... (05 Mar 2000) ...

keratoderma
1. Any horny superficial growth. ... 2. A generalised thickening of the horny layer of the epidermis. ... Origin: kerato-+ G. Derma, skin ... (05 Mar 2000) ...

keratoderma blennorrhagica
Synonym for keratosis blennorrhagica ... Pustules and crusts associated with Reiter's syndrome. ... Synonym: keratoderma blennorrhagica. ... (05 Mar 2000) ...

keratoderma blennorrhagicum
The scattered, thickened, hyperkeratotic skin lesions seen in Reiter's syndrome. ... (05 Mar 2000) ...

keratoderma eccentrica
Synonym for porokeratosis ... A rare, chronic, progressive autosomal dominant disorder seen most often in males and usually appearing in early childhood. It is characterised by the formation of slightly atrophic patches surrounded by an elevated, keratotic border. ... (12 Dec 1998) ...

keratoderma palmaris et plantaris
Synonym for palmoplantar keratoderma ... 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 …

keratoderma plantare sulcatum
Hyperkeratosis and fissure formation on the soles. ... Synonym: cracked heel. ... (05 Mar 2000) ...

keratoderma symmetrica
Synonym for palmoplantar keratoderma ... 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 …

keratoderma, palmoplantar
Group of mostly hereditary disorders characterised by thickening of the palms and soles as a result of excessive keratin formation leading to hypertrophy of the stratum corneum (hyperkeratosis). ... (12 Dec 1998) ...

keratoderma, palmoplantar, diffuse
An autosomal dominant disorder characterised by a widely distributed, well-demarcated hyperkeratosis of the palms and soles. There is more than one genotypically distinct form, each of which is clinically similar but histologically distinguishable. Diffuse palmoplantar keratoderma is distinct from palmoplantar keratoderma (keratoderma, palmoplantar …

keratodermatitis
Inflammation with proliferation of the horny layer of the skin. ... Origin: kerato-+ G. Derma, skin, + -itis, inflammation ... (05 Mar 2000) ...

keratoectasia
A bulging forward of the cornea. ... Synonym: corneal ectasia, keratectasia. ... (05 Mar 2000) ...

keratoelastoidosis
Hyperkeratosis and degeneration of dermal elastic tissue. ... See: acrokeratoelastoidosis. ... Origin: kerato-+ Mod. L. Elasticus, elastic, fr. G. Elastikos, propulsive, fr. Elauno, to drive + eidos, resemblance, + suffix -osis, condition ... (05 Mar 2000) ...

keratoelastoidosis marginalis
Hyperkeratosis and solar elastosis presenting as linear papules along the junction of the palms and dorsal surface of the hands in the elderly. ... Origin: L. Marginal ... (05 Mar 2000) ...