Copy of `mondofacto - Online Medical Dictionary`

The wordlist doesn't exist anymore, or, the website doesn't exist anymore. On this page you can find a copy of the original information. The information may have been taken offline because it is outdated.

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

hurricane
A violent storm, characterised by extreme fury and sudden changes of the wind, and generally accompanied by rain, thunder, and lightning; especially prevalent in the East and West Indies. Also used figuratively. 'Like the smoke in a hurricane whirl'd.' (Tennyson) 'Each guilty thought to me is A dreadful hurricane. ... <zoology> ' (Massinger) H …

Hurst bougies
A series of mercury-filled tubes of graded diameter for dilating the cardioesophageal region. ... (05 Mar 2000) ...

hurt
1. To cause physical pain to; to do bodily harm to; to wound or bruise painfully. 'The hurt lion groans within his den.' (Dryden) ... 2. To impar the value, usefulness, beauty, or pleasure of; to damage; to injure; to harm. 'Virtue may be assailed, but never hurt.' (Milton) ... 3. To wound the feelings of; to cause mental pain to; to offend in honor …

Hurthle cell
Askenazy cells ...

Hurthle cell adenoma
<tumour> An uncommon type of thyroid tumour characterised by abundant eosinophilic cytoplasm containing numerous mitochondria. Often malignant with widespread metastases; rarely takes up radioiodine. ... See: Hurthle cell tumour. ... (05 Mar 2000) ...

Hurthle cell carcinoma
Synonym for Hurthle cell tumour ... A neoplasm of the thyroid gland composed of polyhedral acidophilic cells, thought by some to be oncocytes; it may be benign or malignant, the behaviour of the latter depending on the general microscopic pattern, whether follicular, papillary, or undifferentiated. ... See: Hurthle cell adenoma. ... Synonym: Hurthle c …

Hurthle cell tumour
A neoplasm of the thyroid gland composed of polyhedral acidophilic cells, thought by some to be oncocytes; it may be benign or malignant, the behaviour of the latter depending on the general microscopic pattern, whether follicular, papillary, or undifferentiated. ... See: Hurthle cell adenoma. ... Synonym: Hurthle cell carcinoma. ... (05 Mar 2000) ...

Hurthle, Karl
<person> German histologist. ... Lived: 1860-1945. ... See: Hurthle cell, Hurthle cell adenoma, Hurthle cell carcinoma, Hurthle cell tumour. ... (05 Mar 2000) ...

husband
1. The male head of a household; one who orders the economy of a family. ... 2. A cultivator; a tiller; a husbandman. 'The painful husband, plowing up his ground.' (Hakewill) 'He is the neatest husband for curious ordering his domestic and field accommodations.' (Evelyn) ... 3. One who manages or directs with prudence and economy; a frugal person; an …

Huschke, Emil
<person> German anatomist. ... Lived: 1797-1858. ... See: Huschke's cartilages, Huschke's foramen, Huschke's auditory teeth, Huschke's valve. ... (05 Mar 2000) ...

Huschke's auditory teeth
Synonym for auditory teeth ... Tooth-shaped formations or ridges occurring on the vestibular lip of the limbus lamina spiralis of the cochlear duct. ... Synonym: dentes acustici, Corti's auditory teeth, Huschke's auditory teeth. ... (05 Mar 2000) ...

Huschke's cartilages
Two horizontal cartilaginous rods at the edge of the cartilaginous septum of the nose. ... (05 Mar 2000) ...

Huschke's foramen
An opening in the floor of the bony part of the external acoustic meatus near the tympanic membrane, normally closed in the adult. ... (05 Mar 2000) ...

Huschke's valve
Synonym for lacrimal fold ... A fold of mucous membrane guarding the lower opening of the nasolacrimal duct. ... Synonym: plica lacrimalis, Bianchi's valve, Hasner's fold, Hasner's valve, Huschke's valve, Rosenmuller's valve. ... (05 Mar 2000) ...

husk
1. The external covering or envelope of certain fruits or seeds; glume; hull; rind; in the United States, especially applied to the covering of the ears of maize. ... 2. The supporting frame of a run of millstones. ... <botany> Husks of the prodigal son, the pods of the carob tree. See Carob. ... Origin: Prob. For hulsk, and from the same root a …

huswife
1. A female housekeeper; a woman who manages domestic affairs; a thirfty woman. 'The bounteous huswife Nature.' 'The huswife is she that do labour doth fall.' (Tusser) ... 2. A worthless woman; a hussy. ... 3. [See Hussy a bag] A case for sewing materials. See Housewife. ... Origin: OE. Huswif; hus house + wif wife. Cf. Hussy a housewife, Housewife …

hutch
1. A chest, box, coffer, bin, coop, or the like, in which things may be stored, or animals kept; as, a grain hutch; a rabbit hutch. ... 2. A measure of two Winchester bushels. ... 3. <chemical> The case of a flour bolt. ... 4. <chemical> A car on low wheels, in which coal is drawn in the mine and hoisted out of the pit. A jig for washing o …

hutch bladder diverticulum
<radiology> Bladder tic near uretero-vesical junction, weakens detrusor muscle, may lead to VU reflux ... (12 Dec 1998) ...

hutchinson syndrome
<radiology> Primary adrenal neuroblastoma, extensive skeletal metastases, particularly skull, proptosis (metastases to orbit), bone pain ... (12 Dec 1998) ...

Hutchinson-Gilford disease
Synonym for progeria ... <syndrome> Accelerated aging syndrome in which most of the characteristic stages of human senescence are compressed into less than a decade. Defect probably in DNA repair. ... (18 Nov 1997) ...

Hutchinson-Gilford syndrome
Synonym for progeria ... <syndrome> Accelerated aging syndrome in which most of the characteristic stages of human senescence are compressed into less than a decade. Defect probably in DNA repair. ... (18 Nov 1997) ...

Hutchinson, Sir Jonathan
<person> British surgeon, 1828-1913. ... See: Hutchinson's facies, Hutchinson's freckle, Hutchinson's mask, Hutchinson's crescentic notch, Hutchinson's patch, Hutchinson's pupil, Hutchinson's teeth, Hutchinson's triad, Hutchinson-Gilford disease, Hutchinson-Gilford syndrome. ... (05 Mar 2000) ...

Hutchinson's crescentic notch
The semilunar notch on the incisal edge of Hutchinson's teeth, encountered in congenital syphilis. ... (05 Mar 2000) ...

Hutchinson's facies
The peculiar facial expression produced by the drooping eyelids and motionless eyes in external ophthalmoplegia. ... (05 Mar 2000) ...

Hutchinson's freckle
Synonym for lentigo maligna ... A brown or black mottled, irregularly outlined, slowly enlarging lesion resembling a lentigo in which there are increased numbers of scattered atypical melanocytes in the epidermis, usually occurring on the face of older persons; after many years the dermis may be invaded and the lesion is then termed lentigo maligna …

Hutchinson's mask
The sensation experienced in tabetic neurosyphilis as if the face were covered with a mask or with cobwebs. ... (05 Mar 2000) ...

hutchinson's melanotic freckle
A cutaneous malignant melanoma found most often on the sun-exposed areas of the skin, especially the face, which begins as a circumscribed, macular patch of mottled pigmentation, showing shades of dark brown, tan, or black, and enlarges by lateral growth before dermal invasion occurs. This type is the slowest growing, has the least tendency to meta …

Hutchinson's patch
Synonym for salmon patch ... Interstitial or parenchymatous keratitis giving rise to neovascularization of the cornea. ... Synonym: Hutchinson's patch. ... (05 Mar 2000) ...

Hutchinson's pupil
Dilation of the pupil on the side of the lesion as part of a third nerve palsy; often due to herniation of the uncus of the temporal lobe through the tentorial notch. ... (05 Mar 2000) ...

Hutchinson's teeth
The teeth of congenital syphilis in which the incisal edge is notched and narrower than the cervical area. ... See: Hutchinson's crescentic notch. ... Synonym: notched teeth, screwdriver teeth, syphilitic teeth. ... (05 Mar 2000) ...

Hutchinson's triad
Parenchymatous keratitis, labyrinthine disease, and Hutchinson's teeth, significant of congenital syphilis. ... (05 Mar 2000) ...

Hutchison syndrome
<syndrome> Adrenal neuroblastoma of infants with metastasis to the orbit; at one time erroneously believed to arise predominantly from the left adrenal gland. ... See: Pepper syndrome. ... (05 Mar 2000) ...

Hutchison, Sir Robert
<person> English paediatrician, 1871-1960. ... See: Hutchison syndrome. ... (05 Mar 2000) ...

Huxley, Thomas
<person> English biologist, physiologist, and comparative anatomist, 1825-1895. ... See: Huxley's layer, Huxley's membrane, Huxley's sheath. ... (05 Mar 2000) ...

Huxley's layer
A layer of cells interposed between Henle's layer and the cuticle of the inner root sheath of the hair follicle. ... Synonym: Huxley's membrane, Huxley's sheath. ... (05 Mar 2000) ...

Huxley's membrane
Synonym for Huxley's layer ... A layer of cells interposed between Henle's layer and the cuticle of the inner root sheath of the hair follicle. ... Synonym: Huxley's membrane, Huxley's sheath. ... (05 Mar 2000) ...

Huxley's sheath
Synonym for Huxley's layer ... A layer of cells interposed between Henle's layer and the cuticle of the inner root sheath of the hair follicle. ... Synonym: Huxley's membrane, Huxley's sheath. ... (05 Mar 2000) ...

Huygenian eyepiece
<microscopy> An under corrected (blue rim at periphery of field) ocular designed by Huygens for the telescope and later adopted for achromatic objectives. This ocular consists of two plano-convex lenses separated by a diaphragm, hence it is of the negative type with the focal plane inside the system. Both plane surfaces face the eye, as disti …

Huygens, Christian
<person> Dutch physicist, 1629-1695. ... See: Huygens' ocular, Huygens' principle. ... (05 Mar 2000) ...

Huygens' ocular
The compound ocular of a microscope, composed of two planoconvex lenses so arranged that the plane side of each is directed toward the observer. ... (05 Mar 2000) ...

Huygens' principle
Used in ultrasound technology; the principle that any wave phenomenon can be analyzed as the sum of many simple sources properly chosen with regard to phase and amplitude. ... (05 Mar 2000) ...

HVA
<abbreviation> Homovanillic acid. ... (05 Mar 2000) ...

HVA test
Synonym for homovanillic acid test ... A test for homovanillic acid based upon the fact that dopamine is present in sympathetic nervous tissue as precursor of norepinephrine; since norepinephrine has a metabolic pathway which yields homovanillic acid, tumours such as neuroblastomas and ganglioneuromas may cause elevations of urinary dopamine and hom …

hyacinth
1. <botany> A bulbous plant of the genus Hyacinthus, bearing beautiful spikes of fragrant flowers. H. Orientalis is a common variety. A plant of the genus Camassia (C. Farseri), called also Eastern camass; wild hyacinth. ... The name also given to Scilla Peruviana, a Mediterranean plant, one variety of which produces white, and another blue, f …

hyalescent
Becoming translucent. ... (09 Oct 1997) ...

hyalin
A clear, homogeneous, structureless material found in the matrix of cartilage, vitreous body, mucin, and glycogen. It is a translucent albuminoid substance, one of the products of amyloid degeneration. ... (12 Dec 1998) ...

hyalinasis cutis et mucosae
Synonym for lipoid proteinosis ... <disease> A familial disease occurring in the course of latent diabetes, marked by yellowish nodules due to deposits of a protein-lipid complex on the oral tongue and sublingual and faucial areas, translucent keratotic papillomatous eyelid lesions, keratotic lesions on the extremities, and hoarseness. ... It i …

hyaline
<cell biology> Clear, transparent, granule free, as for example hyaline cartilage and the hyaline zone at the front of a moving amoeba. ... (18 Nov 1997) ...

hyaline bodies
Homogeneous eosinophilic inclusions in the cytoplasm of epithelial cells; in renal tubules, hyaline body's represent droplets of protein reabsorbed from the lumen. ... See: Mallory bodies, drusen. ... Synonym: fuchsin bodies. ... (05 Mar 2000) ...

hyaline bodies of pituitary
Accumulations of a gelatinous neurosecretory substance in the axons of the hypothalamohypophyseal tract in the posterior lobe of the hypophysis. ... (05 Mar 2000) ...

hyaline cartilage
Cartilage having a frosted glass appearance, with interstitial substance containing fine type II collagen fibres obscured by the ground substance; in adult cartilage, the cells are present in isogenous groups. ... (05 Mar 2000) ...

hyaline cast
A relatively transparent renal cast composed of proteinaceous material derived from disintegration of cells; seen in patients with renal disease or transiently with exercise, fever, congestive heart failure, and diuretic therapy. ... (05 Mar 2000) ...

hyaline degeneration
A group of several degenerative processes that affect various cells and tissues, resulting in the formation of rounded masses ('droplets') or relatively broad bands of substances that are homogeneous, translucent, refractile, and moderately to deeply acidophilic; may occur in the collagen of old fibrous tissue, smooth muscle of arterioles or the ut …

hyaline leukocyte
Old term for a monocyte, and for a mononuclear macrophage in various lesions. ... (05 Mar 2000) ...

hyaline membrane
The thin, clear basement membrane beneath certain epithelia. ... Synonym: glassy membrane. ... (05 Mar 2000) ...

hyaline membrane disease
<disease> A respiratory disease of the newborn. Often associated with prematurity or maternal diabetes. ... This disorder is characterised by a lack of pulmonary surfactant, a substance which increases pulmonary compliance and prevents collapse of the pulmonary air sacs. ... (27 Sep 1997) ...

hyaline membrane syndrome
Synonym for hyaline membrane disease of the newborn ... A disease seen especially in premature neonates with respiratory distress; characterised postmortem by atelectasis and alveolar ducts lined by an eosinophilic membrane; also associated with reduced amounts of lung surfactant. ... Synonym: hyaline membrane syndrome, respiratory distress syndrome …

hyaline thrombus
A translucent colourless plug, partly or wholly filling a capillary or small artery or vein, formed by agglutination of red blood corpuscles. ... Synonym: agglutinative thrombus. ... (05 Mar 2000) ...

hyaline tubercle
A form of fibrous tubercle in which the cellular fibrous tissue and collagenous fibres become altered and merged into a fairly homogeneous, acellular, deeply acidophilic, firm mass. ... (05 Mar 2000) ...

hyalinization
The formation of hyalin. ... (05 Mar 2000) ...

hyalinosis
Hyaline degeneration, especially that of relatively extensive degree. ... (05 Mar 2000) ...

hyalinuria
The excretion of hyalin or casts of hyaline material in the urine. ... Origin: hyalin + G. Ouron, urine ... (05 Mar 2000) ...

hyalitis
Synonym for vitreitis ... Inflammation of the corpus vitreum. ... Synonym: hyalitis. ... Origin: L. Vitreus, glassy, + G. -itis, inflammation ... (05 Mar 2000) ...

hyalo-
Glassy, hyalin; vitreous. ... Compare: vitreo-. ... Origin: G. Hyalos, glass ... (05 Mar 2000) ...

hyalobiuronic acid
A disaccharide made up of d-glucuronic acid and N-acetyl-d-glucosamine in a b1,3 linkage; occurs in hyaluronic acid as the repeating unit. See figure under hyaluronic acid. ... (05 Mar 2000) ...

hyalocapsular ligament
<anatomy> Attachment of the vitreous body to the posterior surface of the lens of the eye. ... Synonym: ligamentum hyaloideo-capsulario. ... (05 Mar 2000) ...

hyalocyte
Synonym: vitreous cell. ... Origin: hyalo-+ G. Kytos, cell ... (05 Mar 2000) ...

hyalogens
Substances similar to mucoids that are found in many animal structures (e.g., cartilage, vitreous humor, hydatid cysts) and yield sugars on hydrolysis. ... (05 Mar 2000) ...

hyalohyphomycosis
An infection caused by a fungus with hyaline (colourless) mycelium in tissue, e.g., species of Fusarium, Penicillium, and Scopulariopsis; circumstances for infections usually involve a decrease in body resistance due to surgery, indwelling catheters, steroid therapy, or immunosuppressive drugs or cytotoxins. ... Origin: hyalo-+ G. Hyphe, web, + myke …

hyaloid artery
<anatomy, artery> The terminal branch of the primitive ophthalmic artery, which forms in the embryo an extensive ramification in the primary vitreous and a vascular tunic around the lens; by 81/2 months, these vessels have atrophied almost completely, but a few persistent remnants are evident entoptically as muscae volitantes. ... Synonym: art …

hyaloid body
Synonym for vitreous body ... The transparent gel that fills the inner portion of the eyeball between the lens (lens, crystalline) and the retina. ... (12 Dec 1998) ...

hyaloid canal
A minute canal running through the vitreous from the discus nervi optici to the lens, containing in foetal life a prolongation of the central artery of the retina, the hyaloid artery. ... See: vitreous, hyaloid artery. ... Synonym: canalis hyaloideus, central canal of the vitreous, Cloquet's canal, Stilling's canal. ... (05 Mar 2000) ...

hyaloid fossa
A depression on the anterior surface of the vitreous body in which lies the lens. ... Synonym: fossa hyaloidea, lenticular fossa, patellar fossa of vitreous. ... (05 Mar 2000) ...

hyaloid membrane
Synonym for posterior limiting layer of cornea ... A transparent homogeneous acellular layer between the substantia propria and the endothelial layer of the cornea; considered to be a highly developed basement membrane. ... Synonym: lamina limitans posterior corneae, membrana vitrea, Descemet's membrane, Duddell's membrane, entocornea, hyaloid membra …

hyaloideoretinal degeneration
Progressive liquefaction and destruction of the vitreous humor with grayish-white preretinal membranes, myopia, cataract, retinal detachment, and hyper-and hypopigmentation; autosomal dominant inheritance. ... Synonym: Wagner's disease, Wagner's syndrome. ... (05 Mar 2000) ...

hyalomere
The clear periphery of a blood platelet. ... Origin: hyalo-+ G. Meros, part ... (05 Mar 2000) ...

Hyalomma
An Old World genus (about 21 species) of large ixodid ticks with submarginal eyes, coalesced festoons, an ornate scutum, and a long rostrum. Adults parasitise all domestic animals and a wide variety of wild animals; larvae or nymphs may parasitise small mammals, birds, and reptiles. Species harbor a great variety of pathogens of humans and animals, …

Hyalomma anatolicum
Former name for Hyalomma anatolicum anatolicum. ... (05 Mar 2000) ...

Hyalomma anatolicum anatolicum
A subspecies infesting cattle, camels and horses in Asia, the Near and Middle East, southeastern Europe, and North Africa; it is a vector of bovine tropical theileriosis, of equine babesiosis, and of human Crimean-Congo haemorrhagic fever. ... (05 Mar 2000) ...

Hyalomma marginatum
A particularly common species of tick carried by birds migrating between Europe and Asia and Africa, and the probable vector of the virus of Crimean haemorrhagic fever. ... (05 Mar 2000) ...

Hyalomma truncatum
A species causing sweating sickness in cattle in Africa. ... (05 Mar 2000) ...

Hyalomma variegatum
Species of tick that is the vector of the viral agent of lymphocytic choriomeningitis in Ethiopia. ... (05 Mar 2000) ...

hyalonema
<zoology> A genus of hexactinelline sponges, having a long stem composed of very long, slender, transparent, siliceous fibres twisted together like the strands of a colour. The stem of the Japanese species (H. Sieboldii), called glass-rope, has long been in use as an ornament. See Glass-rope. ... Origin: NL, fr. Gr. Glass + a thread. ... Source …

hyalophagia
The eating or chewing of glass. ... Origin: hyalo-+ G. Phago, to eat ... (05 Mar 2000) ...

hyalophobia
<psychology> Morbid fear of glass objects. ... Synonym: crystallophobia. ... Origin: hyalo-+ G. Phobos, fear ... (05 Mar 2000) ...

hyaloplasma
The protoplasmic fluid substance of a cell. ... Origin: hyalo-+ G. Plasma, thing formed ... (05 Mar 2000) ...

hyaloserositis
Inflammation of a serous membrane with a fibrinous exudate that eventually becomes hyalinised, resulting in a relatively thick, dense, opaque, glistening, white or gray-white coating; when the process involves the visceral serous membranes of various organs, the grossly apparent condition is sometimes colloquially termed icing liver, sugar-coated s …

hyalosis
Degenerative changes in the vitreous body. ... Origin: hyalo-+ G. -osis, condition ... (05 Mar 2000) ...

hyalosome
An oval or round structure within a cell nucleus that stains faintly but otherwise resembles a nucleolus. ... Origin: hyalo-+ G. Soma, body ... (05 Mar 2000) ...

hyalurate
Synonym for hyaluronate ... A salt or ester of hyaluronic acid. ... Synonym: hyalurate. ... (05 Mar 2000) ...

hyaluronate
A salt or ester of hyaluronic acid. ... Synonym: hyalurate. ... (05 Mar 2000) ...

hyaluronate lyase
<enzyme> Also acts on chondroitin; formerly EC 4.2.99.1 ... Registry number: EC 4.2.2.1 ... Synonym: mucinase, spreading factor ... (26 Jun 1999) ...

hyaluronic acid
<biochemistry> Polymer composed of repeating dimeric units of glucuronic acid and N acetyl glucosamine. May be of extremely high molecular weight (up to several million daltons) and forms the core of complex proteoglycan aggregates found in extracellular matrix. ... (18 Nov 1997) ...

hyaluronic acid synthetase
<enzyme> Incorporation of glucuronic acid into hyaluronic acid from udp-glucuronic acid in the presence of udp-n-acetylglucosamine, EC 2.4.1.17 ... Registry number: EC 2.4.1.- ... Synonym: hyaluronate synthetase, hyaluronan synthetase, hyaluronate synthase ... (26 Jun 1999) ...

hyaluronic lyase
Synonym for hyaluronate lyase ... <enzyme> Also acts on chondroitin; formerly EC 4.2.99.1 ... Registry number: EC 4.2.2.1 ... Synonym: mucinase, spreading factor ... (26 Jun 1999) ...

hyaluronidase
<enzyme> Enzyme that degrades hyaluronic acid, found in lysosomes. ... (18 Nov 1997) ...

hyaluronoglucosaminidase
<enzyme> An enzyme that catalyses the random hydrolysis of 1,4-linkages between n-acetyl-beta-d-glucosamine and d-glucuronate residues in hyaluronate. ... Chemical name: Hyaluronate 4-glycanohydrolase ... Registry number: EC 3.2.1.35 ... (12 Dec 1998) ...

hyaluronoglucuronidase
<enzyme> An enzyme hydrolyzing b1,3 linkages in hyaluronates. ... See: hyaluronidase. ... (05 Mar 2000) ...

hybaroxia
Oxygen therapy with pressures greater than 1 atmosphere or ambient oxygen pressure applied to the entire body in a chamber or room. ... Origin: G. Hyper, above, + baros, pressure, + oxys, acute ... (05 Mar 2000) ...

hybenzate
USAN-approved contraction for o-(4-hydroxybenzoyl)benzoate. ... (05 Mar 2000) ...