Copy of `Dorland's Medical Dictionary`

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Dorland's Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 31/12/2010, USA Words: 39128

pleuropericardial
(ploor″o-per″ĭ-kahr´de-әl) pertaining to the pleura and pericardium.

pleuropericarditis
(ploor″o-per″ĭ-kahr-di´tis) inflammation involving the pleura and the pericardium.

pleuroperitoneal
(ploor″o-per″ĭ-to-ne´әl) pertaining to the pleura and peritoneum.

pleuroperitoneal hernia
Morgagni hernia.

pleuropneumonia
(ploor″o-ndbobr-mo´ne-ә) pneumonia accompanied by pleurisy; called also pneumopleuritis. an infectious disease of cattle, combining pneumonia and pleurisy, due to Mycoplasma mycoides; see also pleuropneumonia-like organisms.

pleurothotonos
(ploor″o-thot´ә-nәs) tetanic bending of the body to one side.

pleurotomy
(pldbobr-rot´ә-me) thoracotomy.

pleurovisceral
(ploor″o-vis´әr-әl) pertaining to the pleura and viscera.

plexiform
(plek´sĭ-form) resembling a plexus or network.

plexiform neuroma
one made up of contorted nerve trunks.

plexitis
(plek-si´tis) inflammation of a nerve plexus.

plexopathy
(plek-sop´ә-the) any disorder of a plexus, especially of nerves. lumbar plexopathy neuropathy of the lumbar plexus.

plexus
(plek´sәs) pl. plex´us, plexuses a network or tangle, chiefly of veins or nerves; see also rete. adj., plex´al., adj.

plica
(pli´kә) a ridge or fold on some body structure.

plica syndrome
pain, tenderness, swelling, and crepitus of the knee joint, sometimes with weakness or locking of the joint, caused by fibrosis and calcification of the synovial fold (plica).

plicamycin
(pli″kә-mi´sin) an antineoplastic antibiotic produced by Streptomyces plicatus that binds to DNA and inhibits RNA synthesis; it is used for treatment of advanced testicular carcinoma; major side effects are thrombocytopenia and hemorrhagic diathesis that can be life-threatening. It also has an inhibiting eff...

plicate
(pli´kāt) plaited or folded.

plication
(pli-ka´shәn) the operation of taking tucks in a structure to shorten it.

plicotomy
(pli-kot´ә-me) surgical division of the posterior fold of the tympanic membrane.

Plimmer bodies
small round capsulated bodies found in cancer, and thought by the discoverer to be the parasite causing the disease but now considered to be cell necrosis products. Called also cancer bodies.

plinth
(plinth) a padded table for a patient to sit on or lie on while performing exercises, receiving a massage, or undergoing other physical therapy treatments. a waterproof table used in a hydrotherapy tub to facilitate exercise and movement in the water.

plug
(plug) an obstructing mass. epithelial plug a mass of ectodermal cells that temporarily closes an opening in the fetus, particularly in the external nares. a mass of epithelium clogging or obstructing an opening. mucous plug a plug formed b...

plugger
(plug´әr) a dental instrument for packing, condensing, and compacting filling material into a tooth cavity.

plumbic
(plum´bik) pertaining to lead.

plumbism
(plum´biz-әm) lead poisoning.

Plummer disease
(plum´әr) toxic multinodular goiter.

Plummer sign
inability to step up onto a chair or to walk up steps, seen in Graves disease and other forms of hyperthyroidism.

Plummer-Vinson syndrome
(plum´әr vin´son) a syndrome usually seen in middle-aged women with hypochromic anemia, chiefly characterized by cracks or fissures at the corners of the mouth, painful tongue with atrophy of filiform and later fungiform papillae, and dysphagia due to esophageal stenosis or webs.

pluriglandular
(ploor″ĭ-glan´du-lәr) pertaining to several glands or their secretions.

plurigravida
(ploor″ĭ-grav´ĭ-dә) multigravida.

plurihormonal
(ploor″ĭ-hor-mo´nәl) of or pertaining to several hormones.

plurihormonal adenoma
a functioning adenoma that secretes more than one kind of hormone.

plurilocular
(ploor″ĭ-lok´u-lәr) multilocular.

pluripara
(ploo-rip´ә-rә) multipara.

pluriparity
(ploor″ĭ-par´ĭ-te) multiparity.

pluripotency
(ploor″ĭ-po´tәn-se) the ability to develop or act in any one of several possible ways. the ability to affect more than one organ or tissue. adj., plurip´otent, pluripoten´tial., adj.

pluripotentiality
(ploor″ĭ-po-ten″she-al´ĭ-te) pluripotency.

plutonium
(Pu) (ploo-to´ne-әm) a chemical element, atomic number 94, atomic weight 242.

Pm
promethium.

PMMA
polymethyl methacrylate.

PMN
polymorphonuclear.

PMS
premenstrual syndrome.

pneumarthrogram
(noo-mahr´thro-gram) a film obtained by pneumarthrography.

pneumarthrography
(noo″mahr-throg´rә-fe) radiography of a joint after it has been injected with air or gas as a contrast medium; pneumoarthrography.

pneumarthrosis
(noo″mahr-thro´sis) gas or air in a joint.

pneumatic
(noo-mat´ik) pertaining to air. respiratory.

pneumatic bone
bone that contains air-filled spaces.

pneumatic cell
air cell (def. 2).

pneumatic hammer disease
vibration disease.

pneumatic lithotripsy
lithotripsy in which a rigid probe is inserted and pneumatic pressure is applied directly to the calculus.

pneumatic space
a portion of bone occupied by air-containing cells, especially the spaces constituting the paranasal sinuses.

pneumatization
(noo″mә-tĭ-za´shәn) the formation of air cavities in tissue, especially such formation in the temporal bone.

pneumatocele
(noo-mat´o-sēl) a tumor or cyst formed by air or other gas filling an adventitious pouch, such as a laryngocele, tracheocele, or gaseous swelling of the scrotum. Called also aerocele and pneumocele. a usually benign, thin-walled, air-containing cyst of the lung, as in staphylococcal pneumonia. Called also p...

pneumatosis
(noo″mә-to´sis) air or gas in an abnormal location in the body. pneumatosis coli , pneumatosis cystoides intestinalis , intestinal pneumatosis a condition characterized by the presence of thin-walled, gas-containing cysts in the wall of the in...

pneumaturia
(noo″mә-tu´re-ә) passage of gas in the urine, usually as a result of a fistula between the bladder and intestine.

pneumectomy
(noo-mek´tә-me) pneumonectomy.

pneumoangiography
(noo″mo-an″je-og´rә-fe) radiography of the blood vessels of the lungs.

pneumoarthrography
(noo″mo-ahr-throg´rә-fe) pneumarthrography.

pneumobilia
(noo″mo-bil´e-ә) the presence of gas in the biliary system.

pneumocele
(noo´mo-sēl″) pneumonocele (def. 1). pneumatocele (def. 1). pneumatocele (def. 2).

pneumocephalus
(noo″mo-sef´ә-lәs) air in the intracranial cavity.

pneumococcal meningitis
bacterial meningitis caused by pneumococcus(Streptococcus pneumoniae), a potentially fatal type seen most often in young children or the elderly. Up to half the cases are secondary to other infections, such as those of the lungs, ears, or paranasal sinuses, and reinfection may occur. The incidence is increased in patients ...

pneumococcal pneumonia
the most common type of lobar pneumonia, usually caused by Streptococcus pneumoniae, with inflammation of one or more lobe(s) of the lung. Characteristics include chills followed by sudden fever, dyspnea, tachypnea, pain in the side, and coughing with bloodstained sputum. It usually begins in the lower lobe, which becomes conge...

pneumococcal vaccine polyvalent
a preparation of purified capsular polysaccharides from the 23 serovars of Streptococcus pneumoniae causing the majority of pneumococcal disease; used as an active immunizing agent in persons over 2 years of age, administered intramuscularly.

pneumococcemia
(noo″mo-kok-se´me-ә) pneumococci in the blood.

pneumococcosuria
(noo″mo-kok″o-su´re-ә) bacteriuria with pneumococci in the urine.

pneumococcus
(noo″mo-kok´әs) a member of the species Streptococcus pneumoniae. adj., pneumococ´cal., adj.

pneumoconiosis
(noo″mo-ko″ne-o´sis) any of a group of lung diseases resulting from inhalation of particles of industrial substances, particularly inorganic dusts such as the dust of iron ore or coal, and permanent deposition of substantial amounts of such particles in the lungs. The diseases vary in severity; most ar...

Pneumocystis
(noo″mo-sis´tis) a genus of yeastlike fungi. P. jirove´ci is the causative agent of pneumocystis pneumonia.

Pneumocystis carinii
pneumonia former name for pneumocystis pneumonia.

pneumocystis pneumonia
pneumonia caused by the yeastlike fungus Pneumocystis jiroveci, occurring in premature infants and immunocompromised persons. It is characterized by dyspnea, tachypnea, fever, cough, and cyanosis. If untreated it leads to pulmonary consolidation, hypoxemia, and death. Called also pneumocystosis and interstitial plasma cell pneumonia.

pneumocystography
(noo″mo-sis-tog´rә-fe) radiography of the urinary bladder after injection of air or gas.

pneumocystosis
(noo″mo-sis-to´sis) pneumocystis pneumonia.

pneumocyte
(noo-mo-sīt´) alveolar cell.

pneumodynamics
(noo″mo-di-nam´iks) the dynamics of the respiratory process. the study of the forces exerted in the process of breathing.

pneumoencephalogram
(noo″mo-әn-sef´ә-lo-gram) the film produced by pneumoencephalography.

pneumoencephalography
(PEG) (noo″mo-әn-sef″ә-log´rә-fe) radiographic visualization of the fluid-containing structures of the brain after cerebrospinal fluid is intermittently withdrawn by lumbar puncture and replaced by air, oxygen, or helium.

pneumoenteritis
(noo″mo-en″tәr-i´tis) inflammation of the lungs and intestine.

pneumogram
(noo´mo-gram) a radiogram made after the injection of air into the part. spirogram.

pneumography
(noo-mog´rә-fe) radiography of a part after injection of a gas. spirography.

pneumohemopericardium
(noo″mo-he″mo-per″ĭ-kahr´de-әm) hemopneumopericardium.

pneumohemothorax
(noo″mo-he″mo-thor´aks) hemopneumothorax.

pneumohydrometra
(noo″mo-hi″dro-me´trә) gas and fluid in the uterus.

pneumohydropericardium
(noo″mo-hi″dro-per″ĭ-kahr´de-әm) hyfropneumopericardium.

pneumohydrothorax
(noo″mo-hi″dro-thor´aks) hydropneumothorax.

pneumolith
(noo´mo-lith) lung calculus.

pneumolithiasis
(noo″mo-lĭ-thi´ә-sis) the presence of concretions in the lungs.

pneumomediastinum
(noo″mo-me″de-әs-ti´nәm) the presence of air or gas in the mediastinum, which may interfere with respiration and circulation, and may lead to such conditions as pneumothorax or pneumopericardium. It may occur spontaneously or as a result of trauma or a pathologic process, or it may be induc...

pneumomycosis
(noo″mo-mi-ko´sis) any fungal disease of the lungs.

pneumomyelography
(noo″mo-mi″ә-log´rә-fe) radiography of the spinal canal after withdrawal of cerebrospinal fluid and injection of air or gas.

pneumonectomy
(noo″mo-nek´tә-me) excision of lung tissue, of an entire lung (total pneumonectomy) or less (partial pneumonectomy), or of a single lobe (lobectomy). This is most often done as a treatment for lung cancer; it is also done with less common diseases such as extensive unilateral tuberculosis, bronchiectasis, and mult...

pneumonia
(noo-mōn´yә) inflammation of the lung with consolidation and exudation. It may be classified by the causative organism, such as bacteria, viruses, fungi, or protozoa. It may be primary or secondary (a complication of another disease), may involve a lobe (lobar pneumonia) or the bronchi (bronchopneumonia), and...

pneumonia alba
(noo-mōn´yә al´bә) a fatal desquamative pneumonia of the newborn due to congenital syphilis, with fatty degeneration of the lungs.

pneumonia dissecans
(noo-mōn´yә dis´ә-kanz) pneumonia interlobularis purulenta.

pneumonia interlobularis purulenta
(noo-mōn´yә in″tәr-lob″u-lar´is pūr″oo-len´tә) pneumonia with interlobular empyema.

pneumonia malleosa
(noo-mōn´yә mal″e-o´sә) glanders pneumonia.

pneumonic
(noo-mon´ik) pertaining to pneumonia. pulmonary.

pneumonic tularemia
pulmonary tularemiapulmonic tularemia tularemia with lung involvement, caused by either spread of a primary infection through blood or lymph vessels or by direct inhalation of the bacilli; characteristics include nonproductive cough, headache, fever, chest pain, and bloody, mucoid sputum.

pneumonitis
(noo″mo-ni´tis) inflammation of the lung; see also pneumonia. hypersensitivity pneumonitis a respiratory hypersensitivity reaction to repeated inhalation of organic particles, usually in an occupational setting, with onset a few hours after exposure to the allergen. Many di...

pneumonocele
(noo-mon´o-sēl) hernial protrusion of lung tissue, as through a fissure in the chest wall. Called also pleurocele, pneumatocele, and pneumocele. pneumatocele (def. 2).