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


intervening variable
An event, such as an attitude or emotion, inferred to occur within an organism between the stimulation and response in such a way as to influence or determine the response. ... (05 Mar 2000) ...

intervenous tubercle
The slight projection on the wall of the right atrium between the orifices of the venae cavae. ... Synonym: tuberculum intervenosum, Lower's tubercle. ... (05 Mar 2000) ...

intervention
The act or fact of interfering so as to modify. ... (18 Nov 1997) ...

intervention studies
Epidemiologic investigations designed to test a hypothesised cause-effect relation by modifying the supposed causal factor(s) in the study population. ... (12 Dec 1998) ...

interventional angiography
Synonym for angioplasty ... <cardiology, surgery> The surgical repair of a blood vessel. A balloon angioplasty is a noninvasive procedure where a balloon-tipped catheter is introduced into a diseased blood vessel. As the balloon is inflated, the vessel opens further allowing for improved flow of blood. ... (12 Nov 1997) ...

interventional radiology
The clinical subspecialty that uses fluoroscopy, CT, and ultrasound to guide percutaneous procedures such as performing biopsies, draining fluids, inserting catheters, or dilating or stenting narrowed ducts or vessels. ... (05 Mar 2000) ...

interventricular foramen
The short, often slitlike passage that, on both the left and right side, connects the third brain ventricle (of the diencephalon) with the lateral ventricles (of the cerebral hemispheres); the passage is bounded anteriomedially by the column of fornix and posterolaterally by the anterior pole of the thalamus. ... Synonym: foramen interventriculare, …

interventricular grooves
See: anterior interventricular groove, posterior interventricular groove. ... (05 Mar 2000) ...

interventricular septum
The stout wall separating the lower chambers (the ventricles) of the heart fromone another. A hole in the interventricular septum is termed a ventricular septal defect (vsd). ... (12 Dec 1998) ...

intervertebral
<anatomy> Situated between two contiguous vertebrae. ... (18 Nov 1997) ...

intervertebral cartilage
Synonym for intervertebral disc ... <anatomy> The intervertebral discs or nucleus pulposus are a fibro-cartilaginous disc that lie between the vertebral bodies in the spine. ... These disks are composed of a central gelatinous-like material that provide a cushioning or shock absorbing quality to the spinal column to axial stress. Discs may hern …

intervertebral disc
<anatomy> The intervertebral discs or nucleus pulposus are a fibro-cartilaginous disc that lie between the vertebral bodies in the spine. ... These disks are composed of a central gelatinous-like material that provide a cushioning or shock absorbing quality to the spinal column to axial stress. Discs may herniate or rupture, resulting in a con …

intervertebral disk
Synonym for intervertebral disc ... <anatomy> The intervertebral discs or nucleus pulposus are a fibro-cartilaginous disc that lie between the vertebral bodies in the spine. ... These disks are composed of a central gelatinous-like material that provide a cushioning or shock absorbing quality to the spinal column to axial stress. Discs may hern …

intervertebral disk chemolysis
The dissolving of the nucleus pulposus of a displaced intervertebral disk, usually by the direct injection of a proteolytic enzyme, especially chymopapain, into the diseased disk. ... (12 Dec 1998) ...

intervertebral disk displacement
An intervertebral disk in which the nucleus pulposus has protruded through surrounding fibrocartilage. This occurs most frequently in the lower lumbar region. ... (12 Dec 1998) ...

intervertebral foramen
One of a number of openings into the vertebral canal bounded by the pedicles of adjacent vertebrae above and below, the vertebral body (mostly of the superior vertebra) and intervertebral disc anteriorly, and the articular processes forming the zygopophyseal joint posteriorly. ... Synonym: foramen intervertebrale. ... (05 Mar 2000) ...

intervertebral ganglion
Synonym for spinal ganglion ... <anatomy> Enlargement of the dorsal root of the spinal cord containing cell bodies of afferent spinal neurons. Neural outgrowth from dorsal root ganglia has been studied extensively in vitro. ... (18 Nov 1997) ...

intervertebral notch
Synonym for vertebral notch ... One of the two concavities above (superior) and below (inferior) the pedicle of a vertebra; the notches of two adjacent vertebrae (plus the intervertebral disc) form an intervertebral foramen. ... Synonym: incisura vertebralis, intervertebral notch. ... (05 Mar 2000) ...

intervertebral symphysis
The union between adjacent vertebral bodies composed of the nucleus pulposus, annular ligament, and the anterior and posterior longitudinal ligaments. ... Synonym: symphysis intervertebralis. ... (05 Mar 2000) ...

intervertebral vein
<anatomy, vein> One of numerous veins accompanying the spinal nerves through the intervertebral foramina, draining spinal cord and vertebral venous plexuses, and emptying in the neck into the vertebral vein, in the thorax into the intercostal veins, in the lumbar and sacral regions into the lumbar and sacral veins. ... Synonym: vena interverte …

interview
A conversation with an individual regarding his or her background and other personal and professional details, opinions on specific subjects posed by the interviewer, etc. ... (12 Dec 1998) ...

interview, psychological
A directed conversation aimed at eliciting information for psychiatric diagnosis, evaluation, treatment planning, etc. The interview may be conducted by a social worker or psychologist. ... (12 Dec 1998) ...

interviews
Conversations with an individual or individuals held in order to obtain information about their background and other personal biographical data, their attitudes and opinions, etc. It includes school admission or job interviews. ... (12 Dec 1998) ...

intervillous
Between or among villi. ... (05 Mar 2000) ...

intervillous lacuna
One of the blood spaces in the placenta into which the chorionic villi project. ... (05 Mar 2000) ...

intervillous spaces
The space's containing maternal blood, located between placenta villi; they are lined with syncytiotrophoblast. ... (05 Mar 2000) ...

intervir-A
<chemical> Anti-herpes simplex virus agent containing surfactants p-diisobutylphenoxy polyethoxyethanol and polyoxyethylene-10-oleyl ether ... Pharmacological action: antiviral agent, surface-active agents ... Synonym: intervir a ... (05 Dec 1998) ...

interweave
1. To weave together; to intermix or unite in texture or construction; to intertwine; as, threads of silk and cotton interwoven. 'Under the hospitable covert nigh Of trees thick interwoven.' (Milton) ... 2. To intermingle; to unite intimately; to connect closely; as, to interweave truth with falsehood. 'Words interwove with sighs found out their way …

interzonal mesenchyme
An area of avascular mesenchyme between adjacent skeletal elements in the embryo; it denotes the region of future joints. ... (05 Mar 2000) ...

intestinal
<anatomy> Pertaining to the intestine. ... Origin: L. Intestinalis ... (18 Nov 1997) ...

intestinal 15 kD protein
<chemical> From rat ileum; potent lipid-binding protein; mw 15 kD; amino acid sequence given in first source was found to be highly homologous to gastrotropin and rat liver fatty acid-binding proteins; same size transcript also found in ovary; may be involved in metabolism of steroids ... Synonym: i-15p ... (05 Dec 1998) ...

intestinal anastomosis
Synonym for enteroenterostomy ... <procedure> Establishment of a new communication between two segments of intestine. ... Synonym: enteroanastomosis, intestinal anastomosis. ... (05 Mar 2000) ...

intestinal angina
Synonym for abdominal angina ... <surgery> A dull, crampy centralised abdominal pain that occurs 15-30 minutes after a meal. Associated with ischaemic bowel disease. Evaluated with mesenteric arteriography. ... (27 Sep 1997) ...

intestinal anthrax
A usually fatal form of anthrax marked by chill, high fever, pain in the head, back, and extremities, vomiting, bloody diarrhoea, cardiovascular collapse, and frequently haemorrhages from the mucous membranes and in the skin (petechiae). ... See: mycosis intestinalis. ... (05 Mar 2000) ...

intestinal arterial arcades
The series of arterial arches formed in the mesentery by anastomoses between adjacent jejunal and ileal arteries and from which vasa recta arise. The arterial arcades of the ileum are shorter and more complex than those of the jejunum. ... See: arterial arches of ileum, arterial arches of jejunum. ... Synonym: intermesenteric arterial anastomosis, Ri …

intestinal arteries
See: ileal arteries, jejunal arteries. ... (05 Mar 2000) ...

intestinal atresia
Congenital obliteration of the lumen of the intestine, with the ileum involved in 50% of the cases and the jejunum and duodenum following in frequency. It is the most frequent cause of intestinal obstruction in the newborn infant. Its aetiology may be related to failure of recanalization during early development or to some impairment of blood suppl …

intestinal calcium-binding protein
<protein> Calcium-binding proteins containing the EF hand motif, induced by vitamin D3. ... (18 Nov 1997) ...

intestinal calculus
A concretion in the bowel, either a coprolith or an enterolith. ... (05 Mar 2000) ...

intestinal capillariasis
A sprue-like diarrhoeal disease caused by infection with Capillaria philippinensis, large populations of which are built up by internal autoinfection in the intestinal mucosa; characterised by abdominal pain, oedema, diarrhoea, cachexia, hypoproteinaemia, hypotension, cardiac failure, and hyporeflexia; severe infection is often manifested as a fulm …

intestinal digestion
That part of digestion carried on in the intestine; it affects all the foodstuffs: starches, fats, and proteins. ... (05 Mar 2000) ...

intestinal diseases, parasitic
Infections of the intestines with a parasite. They are caused most commonly by intestinal nematodes (roundworms) and cestodes (tapeworms). ... (12 Dec 1998) ...

intestinal emphysema
Synonym for pneumatosis cystoides intestinalis ... A condition characterised by the presence of thin-walled, gas-containing cysts in the wall of the intestines. The lesions may be subserosal or submucosal. ... (12 Dec 1998) ...

intestinal epithelium
<pathology> The endodermally derived epithelium of the intestine varies considerably, but the absorptive epithelium of small intestine is usually implied. ... The apical surfaces of these cells have microvilli possibly to increase the absorptive surface, but probably also to provide a larger surface area for enzyme activity). The lateral sub a …

intestinal fistula
Abnormal passage communicating with the intestines. ... (12 Dec 1998) ...

intestinal flora
<microbiology> The various bacteria that normally live in the intestinal tract. Normal intestinal flora are important to aid in the breakdown of certain foods for absorption. ... (27 Sep 1997) ...

intestinal follicles
Synonym for intestinal glands ... The tubular glands in the mucous membrane of the small and large intestines. ... Synonym: glandulae intestinales, Galeati's glands, intestinal follicles, Lieberkuhn's crypts, Lieberkuhn's follicles, Lieberkuhn's glands. ... (05 Mar 2000) ...

intestinal gas
The complaint referred to as intestinal gas is a common one and the discomfort can be quite significant. Everyone has gas and eliminates it by burping or passing it through the rectum. In many instances people think they have too much gas when in reality they have normal amounts. most people produce 1 to 3 pints of intestinal gas in 24 hours and pa …

intestinal glands
The tubular glands in the mucous membrane of the small and large intestines. ... Synonym: glandulae intestinales, Galeati's glands, intestinal follicles, Lieberkuhn's crypts, Lieberkuhn's follicles, Lieberkuhn's glands. ... (05 Mar 2000) ...

intestinal intoxication
Synonym for autointoxication ... A disorder resulting from absorption of the waste products of metabolism, decomposed matter from the intestine, or the products of dead and infected tissue as in gangrene. ... Synonym: autotoxicosis, endogenic toxicosis, enterotoxication, enterotoxism, intestinal intoxication, self-poisoning. ... (05 Mar 2000) ...

intestinal juice
An alkaline straw-coloured fluid secreted by the intestinal glands; its enzymes (peptidases, saccharases, nucleases, lecithinases, phosphatases, lipases) complete the hydrolysis of carbohydrates, proteins, and lipids. ... (05 Mar 2000) ...

intestinal lipodystrophy
<gastroenterology> A rare disorder of intestinal malabsorption that occurs as the result of the intestine. Treatment is with antibiotics. ... (27 Sep 1997) ...

intestinal lymphangiectasia
<radiology> Sxs: diarrhoea, hypoproteinaemia, oedema (peripheral or abdominal), protein-losing enteropathy, small bowel: thickened jejunal folds, spiculation, fuzzy borders, Differential diagnosis: other causes of low-protein states ( cirrhosis, nephrosis), aetiology: obstruction of lymphatics in intestinal wall, often associated with underde …

intestinal lymphangiectasis
Familial lymphangiectasis with intestinal loss of lymph causing lymphocytopenia and hypogammaglobulinaemia. ... (05 Mar 2000) ...

intestinal malabsorption
<gastroenterology> The inadequate absorption of nutrients from the small intestine. ... This can result in loss of weight and abnormal appearing stools. Malabsorption can be caused by lesions of the small intestine, amyloidosis, lack of digestive enzymes (for example lactose intolerance) or bile salts or surgical operations. ... (10 Jan 1998)
intestinal metaplasia
The transformation of mucosa, particularly in the stomach, into glandular mucosa resembling that of the intestines, although usually lacking villi. ... (05 Mar 2000) ...

intestinal mucosa
The innermost membrane of the four coats of the intestinal wall, the other three being the submucosa, muscular layers, and serosa. (berk et al., gastroenterology, 4th ed, v.3, p1479) ... (12 Dec 1998) ...

intestinal myiasis
Presence of larvae of certain dipterous insects in the gastrointestinal tract, as of Musca domestica (domestic housefly), the cheese mite, and Fannia canicularis (lesser housefly). ... (05 Mar 2000) ...

intestinal obstruction
<surgery> A blockage of the bowel lumen prohibiting the passage of material. ... Common symptoms include constipation, abdominal swelling and abdominal pain. ... Treatment includes intravenous fluids, rest, nasogastric suction and surgery in select cases. ... (27 Sep 1997) ...

intestinal perforation
<surgery> This surgical emergency involves rupture of the wall of the intestine. Intestinal perforation results in severe abdominal pain intensified by movement. ... Later symptoms include fever and chills. Underlying causes include appendicitis, gastrointestinal cancer and diverticulitis. ... (10 Jan 1998) ...

intestinal polyps
Pedunculated or sessile growths arising from the intestinal mucosa and extending into the lumen. The disease includes intestinal polyposis. ... (12 Dec 1998) ...

intestinal pseudo-obstruction
<radiology> Chronic idiopathic intestinal pseudo-obstruction, autosomal dominant, variable penetrance, insidious onset in child or young adult, intermittent episodes, dysphagia, vomiting, abdominal pain/distention, diarrhoea, constipationn, small bowel involvement most common, megaduodenum, ileus simulating obstruction ... (12 Dec 1998) ...

intestinal rotation
See: malrotation. ... Molecular rotation, one hundredth of the product of the specific rotation of an optically active compound and its molecular weight. ... Optical rotation, the change in the plane of polarization of polarised light of a given wavelength upon passing through optically active substances; measured in terms of specific rotation by pol …

intestinal sand
Minute calculi or gritty material occurring in faeces, composed of soaps, bile pigment, cholesterol, magnesium salts, succinic acid, etc. ... (05 Mar 2000) ...

intestinal schistosomiasis
Synonym for schistosomiasis mansoni ... Schistosomiasis caused by schistosoma mansoni. It is endemic in africa, the middle east, south america, and the caribbean and affects mainly the bowel, spleen, and liver. ... (12 Dec 1998) ...

intestinal stasis
Synonym for enterostasis ... Intestinal stasis; a retardation or arrest of the passage of the intestinal contents. ... Synonym: intestinal stasis. ... Origin: entero-+ G. Stasis, a standing ... (05 Mar 2000) ...

intestinal steatorrhoea
Steatorrhoea due to malabsorption resulting from intestinal disease. ... See: sprue, coeliac disease. ... (05 Mar 2000) ...

intestinal surface of uterus
The posterosuperior surface of the uterus with which loops of intestine come in contact. ... Synonym: facies intestinalis uteri. ... (05 Mar 2000) ...

intestinal tract
<anatomy> This includes the coarse of the small and large intestines and includes approximately 27 feet of bowel. ... (27 Sep 1997) ...

intestinal trunks
The vessels conveying lymph from the lower part of the liver, the stomach, spleen, pancreas, and small intestine; they discharge into the cisterna chyli and are sometimes duplicated. ... Synonym: trunci intestinales. ... (05 Mar 2000) ...

intestinal villi
<pathology> Microscopic finger-like projections (0.5 to 1.5 mm in length) off of the mucosal lining of the small intestine which are responsible for absorption of nutrients. ... The villi greatly increase the effective absorptive surface area of the small intestine. ... (27 Sep 1997) ...

intestine
<anatomy, gastroenterology> This is a general term often used to describe both the small and large intestine. ... (27 Sep 1997) ...

intestines
The portion of the alimentary canal extending from the pyloric opening of the stomach to the anus. ... (12 Dec 1998) ...

intestinotoxin
Synonym for enterotoxin ... <microbiology> Group of bacterial exotoxins produced by enterobacteria and that act on the intestinal mucosa. By perturbing ion and water transport systems they induce diarrhoea. Cholera toxin is the best known example. ... (13 Oct 1997) ...

intestinum
1. The digestive tube passing from the stomach to the anus. It is divided primarily into the intestinum tenue (small intestine) and the intestinum crassum (large intestine). ... Synonym: bowel, intestine. ... 2. Inward; inner. ... Origin: neuter of intestinus ... Synonym: gut. ... Origin: L. Intestinus, internal, ntr. As noun, the entrails, fr. Intus, w …

intestinum caecum
Synonym for caecum ... <anatomy> A blind pouch-like commencement of the colon in the right lower quadrant of the abdomen at the end of the small intestine. The appendix is a diverticulum that extends off the caecum. ... (13 Nov 1997) ...

intestinum crassum
Synonym for large intestine ... <anatomy> Also called the colon, this structure has 6 major divisions: caecum, ascending colon, transverse colon, descending colon, sigmoid colon and rectum. ... The total length is approximately 5 feet in the adult and it is responsible for forming, storing and expelling waste matter. ... (27 Sep 1997) ...

intestinum ileum
Twisted intestine. ... See: ileum. ... (05 Mar 2000) ...

intestinum jejunum
Empty intestine. ... See: jejunum. ... (05 Mar 2000) ...

intestinum rectum
Straight intestine. ... See: rectum. ... (05 Mar 2000) ...

intestinum tenue
Synonym for small intestine ... <anatomy, gastroenterology> The small intestine is composed of three sections: duodenum, jejunum and ileum. ... All are involved in the absorption of nutrients. The total length of the small intestine is approximately 22 feet. ... (27 Sep 1997) ...

intestinum tenue mesenteriale
The freely movable portion of the small intestine supplied with a mesentery, comprising the jejunum and ileum. ... Synonym: mesenteric portion of small intestine. ... (05 Mar 2000) ...

Intestopan
<chemical> Mixture of broxyquinoline and brobenzoxaldine ... Chemical name: 5,7-dibromo-2-methyl-8-quinolinol benzoate (ester) mixt. With 5,7-dibromo-8-quinolinol ... Synonym: enteroquin ... (05 Dec 1998) ...

intetrix
<chemical> Combination of tiliquinol and tilbroquinol ... Pharmacological action: anti-infective agent, local, antidiarrheals ... Chemical name: 8-quinolinol, 7-bromo-5-methyl-, mixt. With 5-methyl-8-quinolinol ... (05 Dec 1998) ...

intima
<pathology> Inner layer of blood vessel, comprising an endothelial monolayer on the luminal face with a subcellular elastic extracellular matrix containing a few smooth muscle cells. ... Below the intima is the media, then the adventitia. The term may be applied to other organs. ... (18 Nov 1997) ...

intimal
Relating to the intima or inner coat of a vessel. ... (05 Mar 2000) ...

intimate
1. Innermost; inward; internal; deep-seated; hearty. 'I knew from intimate impulse.' ... 2. Near; close; direct; thorough; complete. 'He was honored with an intimate and immediate admission.' (South) ... 3. Close in friendship or acquaintance; familiar; confidential; as, an intimate friend. ... Synonym: Familiar, near, friendly, confidential. ... Origi …

intimidate
To make timid or fearful; to inspire of affect with fear; to deter, as by threats; to dishearten; to abash. 'Now guilt, once harbored in the conscious breast, Intimidates the brave, degrades the great.' (Johnson) ... Synonym: To dishearten, dispirit, abash, deter, frighten, terrify, daunt, cow. ... Origin: LL. Intimidatus, p. P. Of intimidare to frig …

intimitis
Inflammation of an intima, as in endangiitis. ... Origin: intima + G. -itis, inflammation ... Proliferative intimitis, eruption characterised by dusky erythema and small ulcers due to proliferative changes in capillary bed. ... (05 Mar 2000) ...

intine
<plant biology> Inner layer of the wall of a pollen grain, resembling a primary cell wall in structure and composition. Also used for the inner wall layer of a spore. ... (18 Nov 1997) ...

into
To the inside of; within. It is used in a variety of applications. ... 1. Expressing entrance, or a passing from the outside of a thing to its interior parts; following verbs expressing motion; as, come into the house; go into the church; one stream falls or runs into another; water enters into the fine vessels of plants. ... 2. Expressing penetratio …

intoe
Medial deviation of the axis of the foot. ... Synonym: metatarsus varus. ... (05 Mar 2000) ...

intolerance
Inability to withstand, sensitivity, as to a drug. ... Origin: L. Tolerare = to bear ... (18 Nov 1997) ...

intolerant
Unable to take a drug because of an adverse reaction (side effect). ... (09 Oct 1997) ...

intortor
A muscle that turns a part medialward. ... See: invertor. ... Synonym: medial rotator. ... (05 Mar 2000) ...

intoxation
Poisoning, especially by the toxic products of bacteria or poisonous animals, other than alcohol. ... Origin: see intoxication ... (05 Mar 2000) ...

intoxicant
1. Having the power to intoxicate. ... 2. An intoxicating agent, such as alcohol. ... (05 Mar 2000) ...

intoxication
<pharmacology> Poisoning, the state of being poisoned. ... Origin: Gr. Toxikon = poison ... (18 Nov 1997) ...

intra vitam
During life. ... Origin: L. Vita, life ... (05 Mar 2000) ...

intra-
Inside, within; opposite of extra-. ... See: endo-, ento-. ... Origin: L. Within ... (05 Mar 2000) ...