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

hepatoptosis
A downward displacement of the liver. ... Synonym: wandering liver. ... Origin: hepato-+ G. Ptosis, a failing ... (05 Mar 2000) ...

hepatopulmonary
Synonym for hepatopneumonic ... Relating to the liver and the lungs. ... Synonym: hepaticopulmonary, hepatopulmonary. ... Origin: hepato-+ G. Pneumonikos, pulmonary ... (05 Mar 2000) ...

hepatorenal ligament
<anatomy> A prolongation of the coronary ligament downward over the right kidney. ... Synonym: ligamentum hepatorenale. ... (05 Mar 2000) ...

hepatorenal pouch
Synonym for hepatorenal recess ... The deep recess of the peritoneal cavity on the right side extending upward between the liver in front and the kidney and suprarenal behind; this is a gravity-dependent portion of the peritoneal cavity when in the supine position; fluids draining from the omental bursa drain here. ... Synonym: recessus hepatorenalis …

hepatorenal recess
The deep recess of the peritoneal cavity on the right side extending upward between the liver in front and the kidney and suprarenal behind; this is a gravity-dependent portion of the peritoneal cavity when in the supine position; fluids draining from the omental bursa drain here. ... Synonym: recessus hepatorenalis, hepatorenal pouch, Morison's pou …

hepatorenal syndrome
<syndrome> Acute renal failure occurring in a patient with liver failure. The exact causal relationship in unclear, but those with alcoholic cirrhosis and alcoholic hepatitis are at greatest risk. ... Symptoms include decreased or absent urine production, jaundice, abdominal swelling, delirium, confusion, nausea and vomiting. Prognosis is very …

hepatorrhagia
Haemorrhage into or from the liver. ... Origin: hepato-+ G. Rhegnymi, to burst forth ... (05 Mar 2000) ...

hepatorrhaphy
Suture of a wound of the liver. ... Origin: hepato-+ G. Rhaphe, a suture ... (05 Mar 2000) ...

hepatorrhexis
Rupture of the liver. ... Origin: hepato-+ G. Rhexis, rupture ... (05 Mar 2000) ...

hepatoscopy
Examination of the liver. ... Origin: hepato-+ G. Skopeo, to examine ... (05 Mar 2000) ...

hepatosplenitis
Inflammation of the liver and spleen. ... (05 Mar 2000) ...

hepatosplenography
The use of a contrast medium to outline or depict the liver and spleen radiographically. ... Synonym: hepatolienography. ... (05 Mar 2000) ...

hepatosplenomegaly
<clinical sign> Abnormal enlargement of both the liver and the spleen, may be seen in cases of leukaemia, lymphoma, acute mononucleosis and others. ... (27 Sep 1997) ...

hepatosplenopathy
Disease of the liver and spleen. ... (05 Mar 2000) ...

hepatostomy
<procedure> Establishment of a fissure into the liver. ... Origin: hepato-+ G. Stoma, mouth ... (05 Mar 2000) ...

hepatotherapy
Rarely used term for:1. Treatment of disease of the liver. ... 2. Therapeutic use of liver extract or of the raw substance of the liver. ... (05 Mar 2000) ...

hepatotomy
<procedure> Incision into the liver. ... Origin: hepato-+ G. Tome, incision ... (05 Mar 2000) ...

hepatotoxaemia
Autointoxication assumed to be due to improper functioning of the liver. ... Origin: hepato-+ G. Toxikon, poison, + haima, blood ... (05 Mar 2000) ...

hepatotoxic
<pharmacology> A compound that is toxic to liver cells. ... (18 Nov 1997) ...

hepatotoxicity
<pharmacology> Destructive to the liver. ... See: hepatotoxic. ... (27 Sep 1997) ...

hepatotoxin
A toxin that is destructive to parenchymal cells of the liver. ... (05 Mar 2000) ...

hepatovirus
A genus of picornaviridae causing infectious hepatitis naturally in humans and experimentally in other primates. It is transmitted through faecal contamination of food or water. ... (12 Dec 1998) ...

Hepatozoon
A genus of coccidian parasites (family Haemogregarinidae), in which schizogony occurs in the visceral organs, gametogony in the leukocytes or erythrocytes of vertebrate animals, and sporogony in certain ticks and other blood-sucking invertebrates. Hepatozoon canis occurs in dogs, cats, jackals, and hyenas, but is most pathogenic in dogs, in which i …

hepes
<chemical> 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid. A dipolar ionic buffer. ... Pharmacological action: buffers. ... Chemical name: 1-Piperazineethanesulfonic acid, 4-(2-hydroxyethyl)- ... (12 Dec 1998) ...

hepoxilin epoxide hydrolase
<enzyme> Converts hepoxilin a3 to trioxilin a3 ... Registry number: EC 3.3.2.- ... (26 Jun 1999) ...

hepta-
<prefix> Prefix denoting seven. ... Compare: septi-, sept-. ... Origin: G. Hepta ... (05 Mar 2000) ...

heptachlor
<chemical> A poisonous substance which is often used as an insecticide. at room temperature it is a white solid, it can be dissolved with CCl4 (carbon tetrachloride) and has a melting point of 95-96 degrees C. Heptachlor has the chemical formula of C10H7Cl7. ... (09 Oct 1997) ...

heptachlor epoxide
<chemical> An oxidation product of heptachlor formed by many plants and animals, including humans, after exposure to heptachlor. It has been shown to remain in soil treated with heptachlor for over fifteen years and is toxic to animals and humans. ... Pharmacological action: insecticide, organochlorine. ... Chemical name: 2,5-Methano-2H-indeno( …

heptad repeat
<molecular biology> A heptad repeat is a type of tandem repeat sequence. It is a sequence of seven amino acids which is repeated multiple times in a row within certain proteins (the intermediate filament proteins) of nearly every animal in the animal kingdom. ... (09 Oct 1997) ...

heptaminol
<chemical> An amino alcohol that has been used as a myocardial stimulant and vasodilator and to relieve bronchospasm. Its most common therapeutic use is in orthostatic hypotension. The mechanism of heptaminol's therapeutic actions is not well understood although it has been suggested to affect catecholamine release or calcium metabolism. ... P …

heptanal
CH3(CH2)5CHO; heptaldehyde;obtained from the ricinoleic acid of castor oil by chemical means; used in the manufacture of ethyl oenanthate, a constituent of many artificial essences (flavors). ... Synonym: enanthal, oenanthal. ... (05 Mar 2000) ...

heptanes
Seven-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. ... (12 Dec 1998) ...

heptanoates
Salts and esters of the 7-carbon saturated monocarboxylic acid heptanoic acid. ... (12 Dec 1998) ...

heptanoic acids
7-carbon saturated monocarboxylic acids. ... (12 Dec 1998) ...

heptanol
<chemical> A colourless liquid with a fragrant odour. It is used as an intermediate, solvent and in cosmetics. ... Chemical name: 1-Heptanol ... (12 Dec 1998) ...

heptapeptide
A peptide containing seven amino acids. ... (05 Mar 2000) ...

heptose
A sugar with seven carbon atoms in its molecule; e.g., sedoheptulose. ... (05 Mar 2000) ...

heptulose
Synonym for ketoheptose ... A seven-carbon sugar possessing a ketone group. ... Synonym: heptulose. ... (05 Mar 2000) ...

herald patch
The initial rapidly enlarging oval-shaped red papulosquamous lesion, usually on the trunk, heralding the widespread eruption of pityriasis rosea, and preceding the latter by 7-14 days. ... (05 Mar 2000) ...

herb
<botany> Any vascular plant that never produces a woody stem. ... Compare: forb. ... (09 Oct 1997) ...

herbaceous
<botany> Refers to a plant that has a non-woody stem and which dies back at the endof the growing season. ... (09 Oct 1997) ...

herbage
<botany> Herbs collectively, the green foliage and juicy stems of herbs. ... (09 Oct 1997) ...

herbals
Books on herbs or plants usually describing their medicinal value. ... (12 Dec 1998) ...

Herbert
Herbert, English ophthalmic surgeon, 1865-1942. ... (05 Mar 2000) ...

herbicide
<chemical> A chemical used to kill or control the growth of plants. Some herbicides (such as synthetic auxins and triazine) selectively kill broad-leaved plants while leaving grass-leaved plants (i.e., cereal crops) unharmed. ... Other herbicides, such as paraquat, kill all plants. Herbicide use has dramatically increased crop yield worldwide …

herbicides
Pesticides used to destroy unwanted vegetation, especially various types of weeds, grasses, and woody plants. ... (12 Dec 1998) ...

herbicides, carbamate
Herbicides which owe their activity to the carbamate moiety in the molecule. ... (12 Dec 1998) ...

herbicides, triazine
Herbicides which owe their activity to the triazine moiety in the molecule. ... (12 Dec 1998) ...

herbicides, urea
Herbicides which owe their activity to the urea moiety in the molecule. ... (12 Dec 1998) ...

herbivore
<biology, zoology> An animal that consumes herbaceous vegetation. ... (09 Oct 1997) ...

herbivory
<biology> The consumption of herbaceous vegetation. ... (09 Oct 1997) ...

herborise
To search for plants, or new species of plants, with a view to classifying them. 'He herborized as he traveled.' (W. Tooke) ... Origin: F. Herboriser, for herbariser, fr. L. Herbarium. See Hebrarium. ... To form the figures of plants in; said in reference to minerals. See Arborized. 'Herborized stones contain fine mosses.' (Fourcroy (Trans)) ... Sourc …

herbs
Any plant designated as herb by any source. Formerly the term designated those angiosperms that have little or no woody tissue and die at the end of the growing season, especially in the temperate zones where winter cold suspends plant growth. It includes also plants used for their aromatic, savory, or medicinal properties. ... (12 Dec 1998) ...

Herbst
Ernst F.G., German anatomist, 1803-1893. ... See: Herbst's corpuscles. ... (05 Mar 2000) ...

Herbst's corpuscles
Tactile corpuscle's, resembling pacinian corpuscle's, but much smaller; found in birds. ... (05 Mar 2000) ...

hercules
1. A hero, fabled to have been the son of Jupiter and Alcmena, and celebrated for great strength, especially. For the accomplishment of his twelve great tasks or 'labors.' ... 2. <astronomy> A constellation in the northern hemisphere, near Lyra. ... <zoology> Hercules' beetle, any species of Dynastes, an American genus of very large lamel …

herculin
<protein> Product of the muscle regulatory gene Myf 6. ... Synonym: muscle regulatory factor 4. ... (18 Nov 1997) ...

herd
1. A number of beasts assembled together; as, a herd of horses, oxen, cattle, camels, elephants, deer, or swine; a particular stock or family of cattle. 'The lowing herd wind slowly o'er the lea.' (Gray) ... Herd is distinguished from flock, as being chiefly applied to the larger animals. A number of cattle, when driven to market, is called a drove. …

herd immunity
<immunology> Resistance of a group to a pathogen due to immunity of a large proportion of the group to that pathogen. ... (09 Oct 1997) ...

herd instinct
Tendency or inclination to band together with and share the customs of others of a group, and to conform to the opinions and adopt the views of the group. ... Synonym: social instinct. ... (05 Mar 2000) ...

hereditary
<genetics> Transferred via genes from parent to child. ... (16 Dec 1997) ...

hereditary amyloidosis
Synonym for familial amyloid neuropathy ... <neurology> A disorder in which various peripheral nerves are infiltrated with amyloid and their functions disturbed, an abnormal prealbumin is also formed and is present in the blood; characteristically, it begins during mid-life and is found largely in persons of Portuguese descent. Other rare clin …

hereditary angio oedema
<biochemistry> Condition in which there seems to be uncontrolled production of C2 kinin because of a deficiency in C1 inhibitor levels. ... (18 Nov 1997) ...

hereditary angioedema
A genetic form of angioedema. (angioedema is also referred to as quinke's disease.) persons with it are born lacking an inhibitor protein (called c1 esterase inhibitor) that normally prevents activation of a cascade of proteins leading to the swelling of angioedema. Patients can develop recurrent attacks of swollen tissues, pain in the abdomen, and …

hereditary angioneurotic oedema
A genetic form of angioedema. (angioedema is also referred to as quinke's disease.) persons with it are born lacking an inhibitor protein (called c1 esterase inhibitor) that normally prevents activation of a cascade of proteins leading to the swelling of angioedema. Patients can develop recurrent attacks of swollen tissues, pain in the abdomen, and …

hereditary areflexic dystasia
Synonym for Raussly disease ... A rare autosomal dominant neurological disorder with many of the clinical features of hereditary hypertrophic sensorimotor polyneuropathy combined with an essential tremor. ... Synonym: hereditary areflexic dystasia. ... (05 Mar 2000) ...

hereditary ataxia
A simple autosomal recessive trait in fox terrier dogs that produces a progressive general ataxia. ... (05 Mar 2000) ...

hereditary cerebellar ataxia
A disease of later childhood and early adult life, marked by ataxic gait, hesitating and explosive speech, nystagmus, and sometimes optic neuritis. It probably comprises several distinct conditions with diverse patterns of inheritance. ... Collective term for a number of hereditary disorders in which cerebellar signs are the most prominent finding.< …

hereditary chorea
Synonym for Huntington's chorea ... A progressive disorder usually beginning in young to middle age, consisting of a triad of choreoathetosis, dementia, and autosomal dominant inheritance with complete penetrance. Bilateral marked wasting of the putamen and the head of the caudate nucleus is characteristic. ... Synonym: chronic progressive chorea, de …

hereditary coproporphyria
<haematology> A group of metabolic disorders that result from a disturbance in porphyrin metabolism, causing increased formation and excretion of porphyrin or its precursors. ... Acute intermittent porphyria is a rare inherited form that can result in abdominal pain, photosensitivity and neurological disturbances. The various forms can be diff …

hereditary deafness and nephropathy
<nephrology, pathology> An inherited disorder involving damage to the kidneys, haematuria and hearing loss. In some individuals vision may also be affected. This genetic disease is uncommon. ... Symptoms include loss of hearing, abnormal colour to urine, swelling, cough and decline in vision. ... Inheritance: sex-linked autosomal dominant. ... I …

hereditary exostosis
<radiology> (osteochondromatosis) ... Autosomal dominant, M more than F, multiple exostoses, snowflake calcification of mature cartilage cap, may leading to chondrosarcoma, short metacarpals (especially 4th and 5th) ... (12 Dec 1998) ...

hereditary fructose intolerance
A metabolic error due to deficiency of hepatic fructose 1,6-bisphosphate aldolase B (which also acts on fructose 1-phosphate); the second enzyme in the specific fructose pathway; vomiting and hypoglycaemia follow ingestion of fructose; prolonged fructose ingestion in young children results in failure to thrive and in jaundice, hepatomegaly, albumin …

hereditary hyperthyroidism
A rare inherited (autosomal dominant) disorder with constitutive stimulation of the thyrocytes. ... (05 Mar 2000) ...

hereditary hypertrophic neuropathy
Synonym for progressive hypertrophic polyneuropathy ... dejerine-Sottas disease ...

hereditary lymphedema
Permanent pitting oedema usually confined to the legs; two types, congenital (Milroy's disease ), or with onset at about the age of puberty (Meige's disease ); autosomal dominant inheritance. ... (05 Mar 2000) ...

hereditary methemoglobinaemia
Synonym for congenital methemoglobinaemia ... Methemoglobinaemia due to formation of any one of a group of abnormal a chain or b chain haemoglobins collectively known as haemoglobin M. Slate-gray cyanosis occurs in early infancy, without pulmonary or cardiac disease, and is resistant to ascorbic acid or methylene blue therapy; autosomal dominant inh …

hereditary multiple exostoses
A disturbance of enchondral bone growth in which multiple, generally benign osteochondromas of long bones appear during childhood, commonly with shortening of the radius and fibula; the ill-effects are usually mechanical but malignant change is rare; autosomal dominant inheritance. ... Synonym: diaphysial aclasis, hereditary deforming chondrodystrop …

hereditary mutation
A gene change that occurs in a germ cell (an egg or sperm) to become incorporated in every cell in the body. Hereditary mutations (also called germline mutations) play a role in cancer as, for example, the eye tumour retinoblastoma and wilms' tumour of the kidney. ... (12 Dec 1998) ...

hereditary myokymia
A syndrome consisting of myokymia, hypoglycaemia, and disturbed thyroid function. ... (05 Mar 2000) ...

hereditary nephritis
<pathology> An inherited disorder involving damage to the kidneys, haematuria and hearing loss. In some individuals vision may also be affected. This genetic disease is uncommon. ... Symptoms include loss of hearing, abnormal colour to urine, swelling, cough and decline in vision. ... Inheritance: sex-linked autosomal dominant. ... Incidence: 1 …

hereditary opalescent dentin
Synonym: dentinogenesis imperfecta. ... Synonym: opalescent dentin. ... (05 Mar 2000) ...

hereditary pancreatitis
<radiology> Rare, autosomal dominant, variable penetrance, onset often in childhood, on X-ray: large, round, peripherally dense calculi ... (12 Dec 1998) ...

hereditary pyropoikilocytosis
Synonym for pyropoikilocytosis ... A rare recessive disorder manifested by severe haemolysis, marked poikilocytosis, and a characteristic sensitivity of the red cells to heat-induced fragmentation in vitro; apparently due to a defect in spectrin self-association. ... Synonym: hereditary pyropoikilocytosis. ... (05 Mar 2000) ...

hereditary spherocytosis
<haematology> A hereditary disorder that leads to a chronic haemolytic anaemia due to an abnormality in the red blood cell membrane. ... This disorder is caused by a defective gene. Red cells are resistant to stress and rupture easily. Infants may appear jaundiced and pale. Fatigue, weakness and shortness of breath are other symptoms that may …

hereditary spinal ataxia
Sclerosis of the posterior and lateral columns of the spinal cord, occurring in children and marked by ataxia in the lower extremities, extending to the upper, followed by paralysis and contractures; autosomal recessive inheritance. ... See: spinocerebellar ataxia. ... Synonym: Friedreich's ataxia, heredotaxia. ... (05 Mar 2000) ...

hereditary syphilis
Synonym: congenital syphilis. ... (05 Mar 2000) ...

heredity
1. <genetics> The genetic transmission of a particular quality or trait from parent to offspring. ... 2. The genetic constitution of an individual. ... Origin: L. Hereditas ... (18 Nov 1997) ...

heredo-
Heredity. ... Origin: L. Heres, an heir ... (05 Mar 2000) ...

heredofamilial tremor
A benign tremor inherited as a dominant character; it may be a rapid oscillation resembling that seen in thyrotoxicosis, a coarse tremor during rest and inhibited by a voluntary effort, or one which appears only upon movement. ... Synonym: benign essential tremor, familial tremor. ... (05 Mar 2000) ...

heredotaxia
Synonym for hereditary spinal ataxia ... Sclerosis of the posterior and lateral columns of the spinal cord, occurring in children and marked by ataxia in the lower extremities, extending to the upper, followed by paralysis and contractures; autosomal recessive inheritance. ... See: spinocerebellar ataxia. ... Synonym: Friedreich's ataxia, heredotaxia. …

Herelle
Felix H. ... See: d'Herelle. ... (05 Mar 2000) ...

Herellea
A bacterial generic name which has been officially rejected because its type species, Herellea vaginicola, is a member of the genus Acinetobacter. ... (05 Mar 2000) ...

heresy
Origin: OE. Heresie, eresie, OF. Heresie, iresie, F. Heresie, L. Haeresis, Gr. A taking, a taking for one's self, choosing, a choice, a sect, a heresy, fr. To take, choose. ... 1. An opinion held in opposition to the established or commonly received doctrine, and tending to promote a division or party, as in politics, literature, philosophy, etc.; u …

heretic
1. One who holds to a heresy; one who believes some doctrine contrary to the established faith or prevailing religion. 'A man that is an heretic, after the first and second admonition, reject.' (Titus III. 10) ... 2. One who having made a profession of Christian belief, deliberately and pertinaciously refuses to believe one or more of the articles o …

Hering-Breuer reflex
The effects of afferent impulses from the pulmonary vagi in the control of respiration, e.g., inflation of the lungs arrests inspiration with expiration then ensuing, while deflation of the lungs brings on inspiration. ... (05 Mar 2000) ...

Hering, Heinrich Ewald
<person> German physiologist, 1866-1948. ... See: sinus nerve of Hering, Hering-Breuer reflex, Traube-Hering curves. ... (05 Mar 2000) ...

Hering, Karl
<person> German physiologist, 1834-1918. ... See: Hering's test, Hering's theory of colour vision, canal of Hering, Traube-Hering curves, Traube-Hering waves, Semon-Hering theory. ... (05 Mar 2000) ...

Hering's sinus nerve
Synonym for carotid sinus nerve ... <anatomy, nerve> A branch of the glossopharyngeal nerve that innervates the baroreceptors in the wall of the carotid sinus and the chemoreceptors in the carotid body. ... Synonym: ramus sinus carotici, carotid sinus branch, Hering's sinus nerve, intercarotid nerve, nerve to carotid sinus, sinus nerve of Herin …

Hering's test
A test of binocular vision; the subject looks through an apparatus having at its farther end a thread near which a small sphere is dropped; with binocular vision the observer recognises the location of the sphere in front of or behind the thread; with monocular vision this is not possible. ... (05 Mar 2000) ...