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

Plummer, Henry
<person> U.S. Physician, 1874-1937. ... See: Plummer's dilator, Plummer's disease, Plummer-Vinson syndrome. ... (05 Mar 2000) ...

Plummer's dilator
An instrument for dilating the lower end of the oesophagus in cardiospasm; it consists of a rubber tube with a perforated metal tip, and a dilatable elongated balloon near its lower end; in difficult cases the tube is threaded along a guiding thread swallowed by the patient. ... (05 Mar 2000) ...

plummer's disease
Toxic multinodular goiter. Also called parry's disease. ... (12 Dec 1998) ...

plumose
Like a feather, with fine hairs branching from a central main stem. ... (09 Oct 1997) ...

plumule
The portion of an embryo that gives rise to the shoot system (as distinct from the root system) of a plant. ... Compare: radicle. ... (09 Oct 1997) ...

plunge
1. To thrust into water, or into any substance that is penetrable; to immerse; to cause to penetrate or enter quickly and forcibly; to thrust; as, to plunge the body into water; to plunge a dagger into the breast. Also used figuratively; as, to plunge a nation into war. ... 'To plunge the boy in pleasing sleep.' 'Bound and plunged him into a cell.' …

plural pregnancy
Synonym for multiple pregnancy ... Condition of bearing two or more foetuses simultaneously. ... Synonym: plural pregnancy, polycyesis. ... (05 Mar 2000) ...

plurality
Origin: L. Pluralitas. ... 1. The state of being plural, or consisting of more than one; a number consisting of two or more of the same kind; as, a plurality of worlds; the plurality of a verb. ... 2. The greater number; a majority; also, the greatest of several numbers; in elections, the excess of the votes given for one candidate over those given f …

pluri-
Several, more. ... See: multi-, poly-. ... Origin: L. Plus, pluris ... (05 Mar 2000) ...

pluricausal
Having two or more causes; used in reference to the aetiology of a disease; often indicates that a given disease develops only when two or more causative factors are operative simultaneously. ... (05 Mar 2000) ...

pluriglandular
Denoting several glands or their secretions. ... Synonym: multiglandular, polyglandular. ... (05 Mar 2000) ...

pluripotent
1. Having the capacity to affect more than one organ or tissue. ... 2. Not fixed as to potential development. ... See: pluripotent cells. ... (05 Mar 2000) ...

pluripotent cells
Primordial cell's that may still differentiate into various specialised types of tissue elements; e.g., mesenchymal cell's. ... (05 Mar 2000) ...

pluripotent stem cell
<haematology> Cells in a stem cell line capable of differentiating into several different final differentiated types, for example there may be a pluripotent stem cell line for erythrocytes, granulocytes and megakaryocytes. ... (11 Mar 1998) ...

pluriresistant
Having multiple aspects of resistance. ... (05 Mar 2000) ...

plus
1. <mathematics> More, required to be added; positive, as distinguished from negative; opposed to minus. ... 2. Hence, in a literary sense, additional; real; actual. 'Success goes invariably with a certain plus or positive power.' (Emerson) ... 3. <mathematics> Plus sign, the sign (+) which denotes addition, or a positive quantity. ... Ori …

plus lens
Synonym for convex lens ... A converging lens. ... Synonym: plus lens. ... (05 Mar 2000) ...

plus strand
See: replicative form. ... (05 Mar 2000) ...

plutomania
<psychiatry> A delusion that one has great wealth. ... Origin: G. Ploutos, wealth, + mania, frenzy ... (05 Mar 2000) ...

plutonium
<chemical> Plutonium. A naturally radioactive element of the actinide metals series. It has the atomic symbol pu, atomic number 94, and atomic weight 242. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons. ... Chemical name: Pluto …

ply
1. To bend. 'As men may warm wax with handes plie.' (Chaucer) ... 2. To lay on closely, or in folds; to work upon steadily, or with repeated acts; to press upon; to urge importunately; as, to ply one with questions, with solicitations, or with drink. 'And plies him with redoubled strokes' (Dryden) 'He plies the duke at morning and at night.' (Shak)< …

pm
Symbol for promethium. ... <abbreviation> Picomolar (10-12 M). ... Symbol for picometer. ... (05 Mar 2000) ...

PM-asparaginase
<enzyme> Asparaginase modified with a poly(ethylene glycol)-maleic anhydride copolymer; enzyme remains catalytically active but lacks immunoreactivity ... Pharmacological action: antineoplastic agent ... Registry number: EC 3.5.1.- ... Synonym: poly(ethylene glycol-co-maleic anhydride)-asparaginase ... (26 Jun 1999) ...

PM10
Particulates that are less than 10 microns in diameter. These particulates are present in the smoke created by burning wood. ... (05 Dec 1998) ...

PMA index
An index which measures the presence or absence of gingival inflammation as occurring on the papillae or the marginal or attached gingivae. ... (05 Mar 2000) ...

pml
A rapidly debilitating opportunistic infection caused by the JC virus which infects brain tissue and causes damage to the brain and the spinal cord. ... Symptoms vary from patient to patient but include loss of muscle control, paralysis, blindness, problems with speech and an altered mental state. PML can lead to coma and death. There are no standar …

pmol
<abbreviation> Picomole. ... (05 Mar 2000) ...

PMR
<abbreviation> Proportional mortality ratio. ... (05 Mar 2000) ...

PMS
<abbreviation> Premenstrual syndrome. ... (05 Mar 2000) ...

PMSG
<abbreviation> Pregnant mare's serum gonadotropin. ... (05 Mar 2000) ...

pneo-
Combining form denoting breath or respiration. ... See: pneum-, pneumo-. ... Origin: G. Pneo, to breathe ... (05 Mar 2000) ...

pneocardiac reflex
A modification in the blood pressure or heart rhythm caused by the inhalation of an irritating vapor. ... (05 Mar 2000) ...

pneodynamics
Synonym for pneumodynamics ... The mechanics of respiration. ... Synonym: pneodynamics. ... Origin: G. Pneuma, breath, + dynamis, force ... (05 Mar 2000) ...

pneometry
An obsolete term for spirometry. ... (05 Mar 2000) ...

pneopneic reflex
A modification of the respiratory rhythm caused by the inhalation of an irritating vapor. ... (05 Mar 2000) ...

pneoscope
Synonym for pneumatoscope ... <instrument> 1. Obsolete term for an instrument for measuring the extent of the respiratory excursions of the chest. ... Synonym: pneoscope. ... 2. Obsolete term for an instrument for use in auscultatory percussion, the percussion sounds of the chest being heard at the mouth. ... Synonym: pneumoscope. ... Origin: G. P …

PNET
primitive Neuroectodermal Tumour ... (16 Dec 1997) ...

pneum-
Pneuma-pneumat-pneumato- ... Presence of air or gas, the lungs, or breathing. ... See: pneo-, pneumo-. ... Origin: G. Pneuma, pneumatos, air, breath ... (05 Mar 2000) ...

pneuma
In ancient Greek philosophy and medicine:1. Air or an all-pervading fiery essence in the air (which today would be identified with oxygen) which was the creative and animating spirit of the universe; drawn into the body through the lungs it generated and sustained the innate heat in the left ventricle of the heart and was distributed by the arterie …

pneumarthrogram
Film records of pneumarthrography. ... (05 Mar 2000) ...

pneumarthrography
Radiographic examination of a joint following the introduction of air, with or without another contrast medium. ... (05 Mar 2000) ...

pneumarthrosis
Presence of air in a joint. ... Origin: G. Pneuma, air, + arthron, joint, + -osis, condition ... (05 Mar 2000) ...

pneumatic
1. Relating to air or gas, or to a structure filled with air. ... 2. Relating to respiration. ... Origin: G. Pneumatikos ... (05 Mar 2000) ...

pneumatic antishock garment
An inflatable suit used to apply pressure to the peripheral circulation, thus reducing blood flow and fluid exudation into tissues, to maintain central blood flow in the presence of shock. ... Synonym: military antishock trousers. ... (05 Mar 2000) ...

pneumatic bone
A bone that is hollow or contains many air cells, such as the mastoid process of the temporal bone. ... Synonym: os pneumaticum, hollow bone. ... (05 Mar 2000) ...

pneumatic larynx
A device that uses air to produce sound to help a laryngectomee talk. ... (12 Dec 1998) ...

pneumatic retinopexy
Synonym for gas retinopexy ... A retinal detachment repair in which the retina is held in place by an expandable gas. ... Synonym: pneumatic retinopexy. ... (05 Mar 2000) ...

pneumatic space
Any one of the paranasal sinuses. ... (05 Mar 2000) ...

pneumatic tire injury
Separation of the skin and subcutaneous tissue from the underlying fascia, classically occurring when an extremity is crushed and rolled over by the tire of a vehicle but may be incurred through other mechanisms that produce shear forces; may occur particularly in cases of obesity. ... (05 Mar 2000) ...

pneumatic tonometer
A recording applanation tonometer operated by compressed gas. ... (05 Mar 2000) ...

pneumatical
1. Consisting of, or resembling, air; having the properties of an elastic fluid; gaseous; opposed to dense or solid. 'The pneumatical substance being, in some bodies, the native spirit of the body.' (Bacon) ... 2. Of or pertaining to air, or to elastic fluids or their properties; pertaining to pneumatics; as, pneumatic experiments. 'Pneumatical disc …

pneumatinuria
Synonym for pneumaturia ... The passage of gas or air from the urethra during or after urination, resulting from decomposition of bladder urine or, more commonly, from an intestinal fistula. ... Synonym: pneumatinuria. ... Origin: G. Pneuma, air, + ouron, urine ... (05 Mar 2000) ...

pneumatised
Containing air. ... (05 Mar 2000) ...

pneumatism
The doctrine of the pneumatists. ... (05 Mar 2000) ...

pneumatists
The followers of the school whose physiology centreed around the pneuma and who conceived the causes of disease as disturbances of this vital principle. ... (05 Mar 2000) ...

pneumatization
The development of air cells such as those of the mastoid and ethmoidal bones. ... Origin: G. Pneuma, air ... (05 Mar 2000) ...

pneumato-
See: pneum-. ... (05 Mar 2000) ...

pneumatocardia
Presence of air bubbles or gas in the blood of the heart; produced by air embolism. ... (05 Mar 2000) ...

pneumatoenteric
Synonym for celomic bay ... Medial and lateral recesses at either side of the urogenital mesentery of the embryo, superior recess of the vestibule of the lesser peritoneal space; with the formation of the diaphragm, a portion of the right recess is cut off and becomes the infracardiac bursa; the portion below the diaphragm becomes the superior reces …

pneumatoenteric recess
Pneumoenteric recess, a recess of the embryonic celom between the right lung bud and the gut; it is normally largely obliterated before birth, leaving only the superior recess of the vestibule of the lesser peritoneal sac as a vestige. ... (05 Mar 2000) ...

pneumatohemia
Synonym for pneumohemia ... Presence of air in blood vessels. ... See: air embolism. ... Synonym: pneumatohemia. ... Origin: G. Pneuma, air, + haima, blood ... (05 Mar 2000) ...

pneumatology
1. <study> The doctrine of, or a treatise on, air and other elastic fluids. See Pneumatics. ... 2. <philosophy> The science of spiritual being or phenomena of any description. ... Origin: Pneumato: cf. F. Pneumatologie. ... (04 Mar 1998) ...

pneumatophore
Modified roots rising above ground that may function as a respiratory organ in plant species subjected to frequent inundation or soil saturation. ... (09 Oct 1997) ...

pneumatorrhachis
Synonym: pneumorrhachis. ... Origin: G. Pneuma, air, + rhachis, spine ... (05 Mar 2000) ...

pneumatoscope
<instrument> 1. Obsolete term for an instrument for measuring the extent of the respiratory excursions of the chest. ... Synonym: pneoscope. ... 2. Obsolete term for an instrument for use in auscultatory percussion, the percussion sounds of the chest being heard at the mouth. ... Synonym: pneumoscope. ... Origin: G. Pneuma, air, + skopeo, to exam …

pneumatosis
Abnormal accumulation of gas in any tissue or part of the body. ... Origin: G. A blowing out ... (05 Mar 2000) ...

pneumatosis coli
A usually benign condition in which gas is seen radiographically in the wall of the colon; sometimes associated with obstructive lung disease. ... (05 Mar 2000) ...

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) ...

pneumaturia
The passage of gas or air from the urethra during or after urination, resulting from decomposition of bladder urine or, more commonly, from an intestinal fistula. ... Synonym: pneumatinuria. ... Origin: G. Pneuma, air, + ouron, urine ... (05 Mar 2000) ...

pneumatype
A device for determining the permeability of the nasal fossae by exhaling through the nose against a plate of cooled glass. ... Origin: G. Pneuma, breath, + typos, type ... (05 Mar 2000) ...

pneumo-
<prefix> A combining form from Gr, a lung; as, pneumogastric, pneumology. ... (29 Oct 1998) ...

pneumo-orbitography
Radiographic visualization of the orbital contents following injection of a gas, usually air. ... (05 Mar 2000) ...

pneumoangiography
An obsolete term for a radiographic contrast study of the pulmonary blood vessels. ... Origin: pneumo-+ G. Angeion, vessel, + grapho, to write ... (05 Mar 2000) ...

pneumoarthrography
Radiography of a joint after injection of air and usually a water-soluble contrast medium. ... Origin: G. Pneuma, air, + arthron, joint, + grapho, to write ... (05 Mar 2000) ...

pneumobacillus
Synonym for klebsiella pneumoniae ... Gram-negative, non-motile, capsulated, gas-producing rods found widely in nature and associated with urinary and respiratory infections in man. ... (12 Dec 1998) ...

pneumobulbar
Relating to the lungs and their connection with the medulla oblongata by way of the vagus nerve. ... Origin: G. Pneumon, lung, + L. Bulbus, bulb ... (05 Mar 2000) ...

pneumocardial
Synonym for cardiopulmonary ... <anatomy> Pertaining to the heart and lungs. ... (18 Nov 1997) ...

pneumocele
Synonym: pneumonocele. ... (05 Mar 2000) ...

pneumocentesis
Synonym for pneumonocentesis ... Rarely used term for paracentesis of the lung. ... Synonym: pneumocentesis. ... Origin: G. Pneumon, lung, + kentesis, puncture ... (05 Mar 2000) ...

pneumocephalus
Presence of air within the skull due to fistulous tract formation, penetrating wounds, fractures, erosions from tumours or infections, surgery, or may occur spontaneously. ... (12 Dec 1998) ...

pneumocholecystitis
Cholecystitis with gas-forming organisms giving rise to gas in the gallbladder. ... (05 Mar 2000) ...

pneumococcaemia
The presence of pneumococci in the blood. ... Origin: pneumococcus + G. Haima, blood ... (05 Mar 2000) ...

pneumococcal
Pertaining to or containing the pneumococcus. ... (05 Mar 2000) ...

pneumococcal empyema
Infection of the pleural cavity by Streptococcus pneumoniae, the pneumococcus, with pus formation. ... Pulsating empyema, a large, tense collection of pus in the pleural cavity through which the cardiac pulsations are transmitted to the chest wall. ... Streptococcal empyema, purulent exudation into the pleural cavity caused by infection with Streptoc …

pneumococcal infections
Infections with bacteria of the species streptococcus pneumoniae. ... (12 Dec 1998) ...

pneumococcal pneumonia
Pneumonia due to infection by Streptococcus pneumoniae; often of lobar distribution. ... (05 Mar 2000) ...

pneumococcal pneumonia immunization
This vaccine, which prevents one of the most common and severe forms of pneumonia, is usually given only once in a lifetime, usually after the age of 55, to someone with ongoing lung problems (such as chronic obstructive pulmonary disease or asthma) or other chronic diseases (including those involving the heart and kidneys). This vaccination would …

pneumococcal polysaccharide
Synonym for specific capsular substance ... A soluble type-specific polysaccharide produced during active growth of virulent pneumococci composing a large part of the capsule. ... Synonym: pneumococcal polysaccharide, soluble specific substance, specific soluble polysaccharide, specific soluble sugar. ... (05 Mar 2000) ...

pneumococcal vaccine
Vaccine comprised of purified capsular polysaccharide antigen from 23 types of Streptococcus pneumoniae (representing those types responsible for most of the reported pneumococcal diseases in the U.S.). ... (05 Mar 2000) ...

pneumococcal-suppurative keratitis
Synonym for serpiginous keratitis ... A severe, creeping, central, suppurative ulcer often due to pneumococci. ... Synonym: pneumococcal/suppurative keratitis, serpent ulcer of cornea. ... (05 Mar 2000) ...

pneumococci
<bacteria> Gram-positive pyogenic organisms (about 1m diameter), usually encapsulated, closely related to streptococci, associated with diseases of the lung. ... (29 Oct 1998) ...

pneumococcidal
Destructive to pneumococci. ... Origin: pneumococcus + L. Caedo, to kill ... (05 Mar 2000) ...

pneumococcolysis
Lysis or destruction of pneumococci. ... Origin: pneumococcus + G. Lysis, dissolution ... (05 Mar 2000) ...

pneumococcosis
Rarely used term for infection with pneumococci. ... (05 Mar 2000) ...

pneumococcosuria
The presence of pneumococci or their specific capsular substance in the urine. ... Origin: pneumococcus + G. Ouron, urine ... (05 Mar 2000) ...

pneumococcus
<bacteria> A genus of bacteria that is typified by gram-positive staining and a coccal shape (round) that are usually observed microscopically in pairs. A common cause of pneumonia. ... (27 Sep 1997) ...

pneumocolon
Gas in the colon or interstitial gas in the wall of the colon. ... Origin: G. Pneuma, air, + kolon, colon ... (05 Mar 2000) ...

pneumoconiosis
<chest medicine> Fibrosis and scarring of the lungs secondary to the repeated inhalation of dust associated with some occupation. ... Examples include silica, asbestos and coal dust exposure. ... (29 Oct 1998) ...

pneumoconiosis of coal workers
Pneumoconiosis seen in coal miners, for example anthracosis, black lung disease (pneumomelanosis). ... (05 Mar 2000) ...

pneumoconiosis siderotica
Pneumoconiosis caused by inhalation of iron dust. ... Synonym: pulmonary siderosis. ... (05 Mar 2000) ...