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

pyocyanin
<microbiology> Blue green phenazine pigment produced by Pseudomonas aeruginosa, has antibiotic properties. ... (18 Nov 1997) ...

pyocyanine
<chemical> 1-hydroxy-5-methylphenazinium inner salt. Antibiotic pigment produced by pseudomonas aeruginosa. ... Chemical name: 1(5H)-Phenazinone, 5-methyl- ... (12 Dec 1998) ...

pyocyanogenic
Causing blue pus. ... Origin: pyo-+ G. Kyanos, blue, + -gen, producing ... (05 Mar 2000) ...

pyocyanolysin
A haemolysin formed by Pseudomonas aeruginosa. ... (05 Mar 2000) ...

pyocynase
<chemical> Isolated from pseudomonas aeruginosa; used to treat infectious diseases particularly those of the pharynx and larynx; no other info avail 10/93 ... Synonym: pyocyaneoprotein, anginol tablets, tonsilan ... (26 Jun 1999) ...

pyocyst
A cyst with purulent contents. ... Origin: pyo-+ G. Kystis, bladder ... (05 Mar 2000) ...

pyocystis
Chronic development and retention of excessive amounts of purulent matter in a urinary bladder that has been defunctionalised by prior supravesical diversion. ... Origin: pyo-+ G. Kystis, bladder ... (05 Mar 2000) ...

pyocyte
Synonym: pus corpuscle. ... Origin: pyo-+ G. Kytos, cell ... (05 Mar 2000) ...

pyoderma
<dermatology> Any purulent skin disease. ... Synonym: pyodermia. ... (18 Nov 1997) ...

pyoderma gangrenosum
An ulcerating condition of skin resulting in heaped borders with a typical appearance. Pyoderma gangrenosum appears to be mediated by the immune system, but the exact cause is unknown. The lesion(s) usually begin as a soft nodule on the skin which proceeds to ulcerate. The ulcer enlarges and the skin at the edge is purple-red. Ulcers can become qui …

pyoderma vegetans
Synonym for dermatitis vegetans ... A benign fungating granulomatous mass caused by chronic pyogenic infection. ... Synonym: pyoderma vegetans. ... (05 Mar 2000) ...

pyodermatitis
Synonym: pyoderma. ... Origin: pyo-+ G. Derma, skin, + -itis, inflammation ... (05 Mar 2000) ...

pyodermatosis
Synonym: pyoderma. ... Origin: pyo-+ G. Derma, skin, + -osis, condition ... (05 Mar 2000) ...

pyogen
An agent that causes pus formation. ... Origin: pyo-+ G. -gen, producing ... (05 Mar 2000) ...

pyogenesis
Synonym: suppuration. ... Origin: pyo-+ G. Genesis, production ... (05 Mar 2000) ...

pyogenic
<microbiology> Producing pus, pyopoietic which is the liquid inflammatory product made up of cells and a thin fluid called liquor puris ... Origin: Gr. Gennan = to produce ... (18 Nov 1997) ...

pyogenic arthritis
Synonym for suppurative arthritis ... Acute inflammation of synovial membranes, with purulent effusion into a joint, due to bacterial infection; the usual route of infection is hemic to the synovial tissue, causing destruction of the articular cartilage, and may become chronic, with sinus formation, osteomyelitis, deformity, and disability. ... Synon …

pyogenic bacterium
A bacterium that causes a pyogenic infection, such as the pyogenic cocci (staphylococci, streptococci, pneumococci, meningococci) and Haemophilus influenzae. ... (05 Mar 2000) ...

pyogenic fever
Synonym for pyaemia ... <microbiology> The invasion of bloodstream by pyogenic organisms. ... Origin: Gr. Haima = blood ... (18 Nov 1997) ...

pyogenic granuloma
Granuloma pyogenicum, an acquired small rounded mass of highly vascular granulation tissue, frequently with an ulcerated surface, projecting from the skin or mucosa; histologically, the mass resembles a capillary haemangioma. ... Synonym: granuloma telangiectaticum. ... (05 Mar 2000) ...

pyogenic infection
Infection characterised by severe local inflammation, usually with pus formation, generally caused by one of the pyogenic bacteria. ... (05 Mar 2000) ...

pyogenic membrane
A layer of pus cells lining an abscess cavity which have not yet autolyzed. ... Synonym: prophylactic membrane. ... (05 Mar 2000) ...

pyogenic pachymeningitis
Suppurative inflammation of the dura, often spreading from a neighboring osteomyelitis. ... (05 Mar 2000) ...

pyogenic salpingitis
A form of acute salpingitis usually occurring with puerperal infection. ... (05 Mar 2000) ...

pyogenous
Synonym for pyogenic ... <microbiology> Producing pus, pyopoietic which is the liquid inflammatory product made up of cells and a thin fluid called liquor puris ... Origin: Gr. Gennan = to produce ... (18 Nov 1997) ...

pyohemia
A rarely used term for pyaemia. ... (05 Mar 2000) ...

pyohemothorax
Presence of pus and blood in the pleural cavity. ... Origin: pyo-+ G. Haima, blood, + thorax ... (05 Mar 2000) ...

pyometra
Accumulation of pus in the uterine cavity. ... Origin: pyo-+ G. Metra, uterus ... (05 Mar 2000) ...

pyometritis
Inflammation of uterine musculature associated with pus in the uterine cavity. ... Origin: pyo-+ G. Metra, womb, + -itis, inflammation ... (05 Mar 2000) ...

pyomyositis
Abscesses, carbuncles, or infected sinuses lying deep in muscles. ... Origin: pyo-+ G. Mys, muscle, + -itis, inflammation ... (05 Mar 2000) ...

pyonephritis
Suppurative inflammation of the kidney. ... Origin: pyo-+ G. Nephros, kidney, + -itis, inflammation ... (05 Mar 2000) ...

pyonephrolithiasis
Presence in the kidney of pus and calculi. ... Origin: pyo-+ G. Nephros, kidney, + lithos, stone, + -iasis, condition ... (05 Mar 2000) ...

pyonephrosis
Distention of the pelvis and calices of the kidney with pus, usually associated with obstruction. ... Synonym: nephropyosis. ... Origin: pyo-+ G. Nephros, kidney, + -osis, condition ... (05 Mar 2000) ...

pyopericarditis
Suppurative inflammation of the pericardium. ... (05 Mar 2000) ...

pyopericardium
An accumulation of pus in the pericardial sac. ... Synonym: empyema of the pericardium. ... (05 Mar 2000) ...

pyoperitoneum
An accumulation of pus in the peritoneal cavity. ... Synonym: pyocelia. ... Origin: G. Pyon, pus ... (05 Mar 2000) ...

pyoperitonitis
Suppurative inflammation of the peritoneum. ... Origin: pyo-+ peritonitis ... (05 Mar 2000) ...

pyophysometra
Presence of pus and gas in the uterine cavity. ... Origin: pyo-+ G. Physa, air, + metra, uterus ... (05 Mar 2000) ...

pyopneumocholecystitis
Combination of pus and gas in an inflamed gallbladder caused by gas-producing organisms or by the entry of air from the duodenum through the biliary tree. ... Origin: pyo-+ G. Pneuma, air, + cholecystitis ... (05 Mar 2000) ...

pyopneumohepatitis
Combination of pus and air in the liver, usually in association with an abscess. ... Origin: pyo-+ G. Pneuma, air, + hepatitis ... (05 Mar 2000) ...

pyopneumopericardium
Presence of pus and gas in the pericardial sac. ... Origin: pyo-+ G. Pneuma, air, + pericardium ... (05 Mar 2000) ...

pyopneumoperitoneum
Presence of pus and gas in the peritoneal cavity. ... Origin: pyo-+ G. Pneuma, air, + peritoneum ... (05 Mar 2000) ...

pyopneumoperitonitis
Peritonitis with gas-forming organisms or with gas introduced from a ruptured bowel. ... Origin: pyo-+ G. Pneuma, air, + peritonitis ... (05 Mar 2000) ...

pyopoiesis
Synonym: suppuration. ... Origin: pyo-+ G. Poiesis, a making ... (05 Mar 2000) ...

pyopoietic
Pus-producing. ... (05 Mar 2000) ...

pyoptysis
A rarely used term for a purulent expectoration. ... Origin: pyo-+ G. Ptysis, a spitting ... (05 Mar 2000) ...

pyopyelectasis
Dilation of the renal pelvis with pus-producing inflammation. ... Origin: pyo-+ G. Pyelos, pelvis, + ektasis, a stretching ... (05 Mar 2000) ...

pyorrhoea
A purulent discharge. ... Origin: pyo-+ G. Rhoia, a flow ... (05 Mar 2000) ...

pyosaemia
Presence of pus in seminal fluid, often associated with chronic prostatitis or other inflammatory conditions of the male genital tract. ... Synonym: pyospermia. ... Origin: pyo-+ L. Semen, seed (of man) ... (05 Mar 2000) ...

pyosalpingitis
Suppurative inflammation of the fallopian tube. ... Origin: pyo-+ salpingitis ... (05 Mar 2000) ...

pyosalpingo-oophoritis
Suppurative inflammation of the fallopian tube and the ovary. ... Synonym: pyosalpingo-oothecitis. ... Origin: pyo-+ G. Salpinx, trumpet (tube), + oophoritis ... (05 Mar 2000) ...

pyosalpingo-oothecitis
Synonym: pyosalpingo-oophoritis. ... Origin: pyo-+ G. Salpinx, trumpet (tube), + Mod. L. Ootheca, ovary, + G. -itis, inflammation ... (05 Mar 2000) ...

pyosalpinx
Distention of a fallopian tube with pus. ... Synonym: pus tube. ... Origin: pyo-+ G. Salpinx, trumpet (tube) ... (05 Mar 2000) ...

pyosepticaemia
Infection of the blood with several forms of bacteria, so-called pyogenic and also nonpyogenic organisms. ... Origin: pyo-+ G. Septikos, putrefying, + haima, blood ... (05 Mar 2000) ...

pyosis
Synonym: suppuration. ... Origin: G. ... (05 Mar 2000) ...

pyosis palmaris
An affection observed in children in the East Indies, characterised by the presence of numerous discrete pustules on the palms. ... Pyosis tropica, an affection seen in Sri Lanka, marked by the presence of dirty yellowish or blackish lesions, covered with a crust, the removal of which leaves a shallow granulating ulcer. ... Synonym: Kurunegala ulcers …

pyospermia
Synonym: pyosaemia. ... Origin: pyo-+ G. Sperma, seed, + ia, condition ... (05 Mar 2000) ...

pyostatic
1. Arresting the formation of pus. ... 2. An agent that arrests the formation of pus. ... Origin: pyo-+ G. Statikos, causing to stand ... (05 Mar 2000) ...

pyostomatitis
A suppurating inflammatory eruption of the mouth. ... Origin: pyo-+ G. Stoma, mouth, + -itis, inflammation ... Pyostomatitis vegetans, confluent pustular lesions of the mouth, with proliferative and verrucose eruptions of the buccal mucous membrane; associated with ulcerative colitis and other wasting diseases. ... (05 Mar 2000) ...

pyothorax
Empyema in a pleural cavity. ... (05 Mar 2000) ...

pyourachus
A purulent accumulation in the urachus. ... (05 Mar 2000) ...

pyoureter
Distention of a ureter with pus. ... (05 Mar 2000) ...

pyoverdine synthetase
<enzyme> Genbank u07359 ... Registry number: EC 6.3.2.- ... Synonym: pvdd gene product, pvdd protein ... (26 Jun 1999) ...

pyoxanthin
A reddish yellow pigment obtained from blue pus by oxidation. ... (05 Mar 2000) ...

Pyp1 phosphatase
<enzyme> Isolated from schizosaccharomyces pombe; has been sequenced ... Registry number: EC 3.1.3.- ... Synonym: pyp1 gene product, pyp1 ptpase ... (26 Jun 1999) ...

pyp2 protein tyrosine phosphatase
<enzyme> Shares an essential overlapping role with pyp1 ptpase and is 42% identical in sequence in the c-terminal catalytic domain of pyp1; involved in negative regulation of mitosis in fission yeast ... Registry number: EC 3.1.3.- ... Synonym: pyp2 ptpase, pyp2 gene product ... (26 Jun 1999) ...

pyp3 protein tyrosine phosphatase
<enzyme> Acts as mitotic inducer in fission yeast ... Registry number: EC 3.1.3.- ... Synonym: pyp3 gene product, pyp3 ptpase ... (26 Jun 1999) ...

pyr
1. <abbreviation> Pyrimidine, pyroglutamic acid. ... 2. <chemistry, prefix> Combining forms designating fire or heat; specifically, used to imply an actual or theoretical derivative by the action of heat; as in pyrophosphoric, pyrosulphuric, pyrotartaric, pyrotungstic, etc. ... Origin: Gr, fire. ... (29 Oct 1998) ...

pyracin
Pyridoxolactone, the lactone of 4-pyridoxic acid. ... (05 Mar 2000) ...

pyramid
1. A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape. ... 2. <geometry> A solid figure contained by a plane rectilineal figure as base and several triangles which have a common vertex and whose bases are sides of the base. ... 3. The game of …

pyramid of light
A triangular area at the anterior inferior part of the tympanic membrane, running from the umbo to the periphery, where there is seen a bright reflection of light. ... Synonym: cone of light, light reflex, Politzer's luminous cone, red reflex, Wilde's triangle. ... Malacarne's pyramid, a lobule on the undersurface of the cerebellum, the posterior por …

pyramid of medulla oblongata
An elongated, white prominence on the ventral surface of the medulla oblongata on either side along the anterior median fissure, corresponding to the pyramidal tract. ... Synonym: pyramis medullae oblongatae, anterior column of medulla oblongata, anterior pyramid. ... (05 Mar 2000) ...

pyramid of thyroid
Synonym for pyramidal lobe of thyroid gland ... <anatomy> An inconstant narrow lobe of the thyroid gland that arises from the upper border of the isthmus and extends upward, sometimes as far as the hyoid bone; it marks the point of continuity with the thyroglossal duct. ... Synonym: lobus pyramidalis glandulae thyroideae, Lallouette's pyramid, …

pyramid of tympanum
Synonym for eminentia pyramidalis ... A conical projection posterior to the vestibular window in the middle ear; it is hollow and contains the stapedius muscle. ... Synonym: pyramid of tympanum, pyramidal eminence, pyramis tympani. ... (05 Mar 2000) ...

pyramid of vermis
A subdivision of the inferior vermis of the cerebellum between the tuber and the uvula. ... Synonym: pyramis vermis, cerebellar pyramid. ... Pyramid of vestibule, the upper triangular extremity of the crista vestibuli. ... Synonym: pyramis vestibuli. ... (05 Mar 2000) ...

pyramid sign
<clinical sign> Any of the symptoms indicating a morbid condition of the pyramidal tracts, such as the Babinski or Gordon sign, spastic spinal paralysis, foot clonus, etc. ... (05 Mar 2000) ...

pyramidal
1. Of or pertaining to a pyramid; in the form of a a pyramid; pyramidical; as, pyramidal cleavage. 'The mystic obelisks stand up Triangular, pyramidal.' (Mrs. Browning) ... 2. <chemistry> Same as Tetragonal. ... <mathematics> Pyramidal numbers, certain series of figurate numbers expressing the number of balls or points that may be arrange …

pyramidal auricular muscle
<anatomy> An occasional prolongation of the fibres of the tragicus to the spina helicis. ... Synonym: musculus pyramidalis auriculae, Jung's muscle, pyramidal muscle of auricle. ... (05 Mar 2000) ...

pyramidal bone
Synonym for triquetral bone ... A bone on the medial (ulnar) side of the proximal row of the carpus, articulating with the lunate, pisiform, and hamate. ... Synonym: os triquetrum, cubital bone, os pyramidale, os triangulare, pyramidal bone, pyramidale, three-cornered bone, triquetrum. ... (05 Mar 2000) ...

pyramidal cataract
A cone-shaped, anterior polar cataract. ... (05 Mar 2000) ...

pyramidal cell
<anatomy, neurology> Commonest nerve cells of the cerebral cortex. ... (18 Nov 1997) ...

pyramidal cell layer
Layer 3 of the cortex cerebri. ... Synonym: Meynert's layer. ... (05 Mar 2000) ...

pyramidal cells
Projection neurons in the cerebral cortex and the hippocampus. Pyramidal cells have a pyramid-shaped soma with the apex and an apical dendrite pointed toward the pial surface and other dendrites and an axon emerging from the base. The axons may have local collaterals but also project outside their cortical region. ... (12 Dec 1998) ...

pyramidal decussation
The intercrossing of the bundles of the pyramidal tracts at the lower border region of the medulla oblongata. ... Synonym: decussatio pyramidum, decussatio motoria, motor decussation. ... (05 Mar 2000) ...

pyramidal disease
Synonym for buttress foot ... A condition of the horse's foot in which there is exostosis of the extensor process of the third phalanx, with swelling and chronic inflammation at the coronary band on the anterior surface of the foot. ... Synonym: pyramidal disease. ... (05 Mar 2000) ...

pyramidal eminence
Synonym for eminentia pyramidalis ... A conical projection posterior to the vestibular window in the middle ear; it is hollow and contains the stapedius muscle. ... Synonym: pyramid of tympanum, pyramidal eminence, pyramis tympani. ... (05 Mar 2000) ...

pyramidal fibres
The fibres that compose the pyramidal tract (corticospinalis). ... Synonym: fibrae corticospinales, corticospinal fibres, fibrae pyramidales. ... (05 Mar 2000) ...

pyramidal fracture
A fracture of the midfacial skeleton with the principal fracture lines meeting at an apex at or near the superior aspect of the nasal bones. ... Synonym: Le Fort II fracture. ... (05 Mar 2000) ...

pyramidal lobe of thyroid gland
<anatomy> An inconstant narrow lobe of the thyroid gland that arises from the upper border of the isthmus and extends upward, sometimes as far as the hyoid bone; it marks the point of continuity with the thyroglossal duct. ... Synonym: lobus pyramidalis glandulae thyroideae, Lallouette's pyramid, Morgagni's appendix, pyramid of thyroid. ... (05 …

pyramidal muscle
Synonym for pyramidalis ... <anatomy, muscle> Origin, crest of pubis; insertion, lower portion of linea alba; action, makes linea alba tense; nerve supply, subcostal. ... Synonym: musculus pyramidalis, pyramidal muscle. ... (05 Mar 2000) ...

pyramidal muscle of auricle
Synonym for pyramidal auricular muscle ... <anatomy> An occasional prolongation of the fibres of the tragicus to the spina helicis. ... Synonym: musculus pyramidalis auriculae, Jung's muscle, pyramidal muscle of auricle. ... (05 Mar 2000) ...

pyramidal process
The portion of the palatine bone passing lateral and posterior from the angle formed by the vertical and horizontal plates. ... Synonym: processus pyramidalis. ... (05 Mar 2000) ...

pyramidal radiation
Corticospinal fibres passing from the cortex into the pyramid. ... Synonym: radiatio pyramidalis. ... (05 Mar 2000) ...

pyramidal tract
A massive bundle of fibres originating from pyramidal cells of various sizes in the fifth layer of the precentral motor (area 4), the premotor area (area 6), and to a lesser extent from the postcentral gyrus. Cells of origin in area 4 include the gigantopyramidal cells of Betz. Fibres from these cortical regions descend through the internal capsule …

pyramidal tractotomy
<procedure> May be mesencephalic (pedunculotomy or crusotomy), medullary (medullary pyramidotomy), or spinal (spinal pyramidotomy). ... (05 Mar 2000) ...

pyramidale
Synonym: triquetral bone. ... Origin: Mod. L. ... (05 Mar 2000) ...

pyramidalis
<anatomy, muscle> Origin, crest of pubis; insertion, lower portion of linea alba; action, makes linea alba tense; nerve supply, subcostal. ... Synonym: musculus pyramidalis, pyramidal muscle. ... (05 Mar 2000) ...

pyramidotomy
<procedure> Section of pyramidal tracts, in the spinal cord, for the relief of involuntary movements. ... Origin: G. Pyramis, pyramid, + tome, incision ... Medullary pyramidotomy, a medullary pyramidal tractotomy. ... Spinal pyramidotomy, a spinal pyramidal tractotomy. ... (05 Mar 2000) ...

pyramin
Synonym for toxopyrimidine ... 4-amino-5-hydroxymethyl-2-methylpyrimidine;one of the products resulting from the hydrolysis of thiamin by thiaminase and appearing in the urine; a competitive inhibitor of pyridoxal. ... Synonym: pyramin, pyramine. ... (05 Mar 2000) ...

pyramis medullae oblongatae
Synonym for pyramid of medulla oblongata ... An elongated, white prominence on the ventral surface of the medulla oblongata on either side along the anterior median fissure, corresponding to the pyramidal tract. ... Synonym: pyramis medullae oblongatae, anterior column of medulla oblongata, anterior pyramid. ... (05 Mar 2000) ...