(n.) The act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion.
(n.) The act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate.
Example Sentences:
(1) The Na+ ionophore, gramicidin, had a small but significant inhibitory effect on Na(+)-dependent KG uptake, demonstrating that KG uptake was not the result of an intravesicular positive Na+ diffusion potential.
(2) The femoral component, made of Tivanium with titanium mesh attached to it by a new process called diffusion bonding, retains superalloy fatigue strength characteristics.
(3) The diffusion of Myocamicin in the prostatic tissue of patients undergoing prostatectomy after a single oral dose of 600 mg has been studied.
(4) The preembedding method also disclosed diffuse cytosolic immunoreactivity.
(5) The clinical aspects, the modality of onset and diffusion of the lymphoma, its macroscopic and histopathological features and the different therapeutic approaches are discussed.
(6) The kidney disease was characterized by diffuse beaded deposition of rat gammaglobulin along the glomerular capillaries and proteinuria.
(7) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
(8) Sera from three of these patients gave a precipitin band in gel diffusion tests identical to that produced by a monospecific rabbit anti-E. granulosus antigen 5 serum, when tested against whole hydatid fluid.
(9) A constellation of histologic lesions was identified in brain (diffuse meningoencephalitis with bilaterally symmetrical thalamic necrosis), liver (pericholangiohepatitis), lung (pneumonitis), and spleen (lymphoid hyperplasia); this tetrad is apparently unique to this model system.
(10) Diffuse Ga-67 uptake in the kidneys was seen due to renal involvement with this disorder.
(11) Thus, whereas CD3-associated molecules isolated from polyclonal CD3+WT31+ populations (expanded in IL 2 under the same culture conditions) appeared as diffuse bands, CD3-associated molecules isolated from CD3+WT31- populations displayed a homogeneous molecular mass.
(12) The diffuse reaction product seen in basement membranes of ganglion and nerve may also be artifact.
(13) Here we determine the position of bound ADP diffused into the recA crystal.
(14) In contrast, boundary layer diffusion is operative in the release from the matrixes prepared by compression of physical mixtures.
(15) Medium molecules have been detected by two methods, gel filtration and screening technique, in patients with diffuse purulent peritonitis and with chronic renal insufficiency.
(16) This may be because the epithelium restricts diffusion of the drug or due to the production of a non-prostanoid factor which inhibits smooth muscle responsiveness.
(17) Ten of 11 diffuse poorly differentiated lymphocytic lymphomas were composed of cells with large amounts of surface immunoglobulin, whereas only 1 of 5 diffuse well differentiated lymphocytic tumors contained such abundant surface immunoglobulin.
(18) Thirty-six lesions imaged as vascular malformations with abnormal vessels or diffusely increased activity.
(19) We therefore conclude that the protective effect displayed by solid grafts might be a local process dependent on the release of diffusible trophic agents.
(20) These results demonstrate, in living human hearts, that diffuse coronary atherosclerosis is often present when coronary angiography reveals only discrete stenoses.
Vapor
Definition:
(n.) Any substance in the gaseous, or aeriform, state, the condition of which is ordinarily that of a liquid or solid.
(n.) In a loose and popular sense, any visible diffused substance floating in the atmosphere and impairing its transparency, as smoke, fog, etc.
(n.) Wind; flatulence.
(n.) Something unsubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting.
(n.) An old name for hypochondria, or melancholy; the blues.
(n.) A medicinal agent designed for administration in the form of inhaled vapor.
(n.) To pass off in fumes, or as a moist, floating substance, whether visible or invisible, to steam; to be exhaled; to evaporate.
(n.) To emit vapor or fumes.
(n.) To talk idly; to boast or vaunt; to brag.
(v. t.) To send off in vapor, or as if in vapor; as, to vapor away a heated fluid.
Example Sentences:
(1) In contrast, in paraffin as well as in frozen sections of chick oviduct, fixed by immersion or in vapor, PR was exclusively nuclear, including in the absence of progesterone, and the intensity of immunostaining was not modified by progesterone treatment.
(2) Fischer 344 rats and B6C3F1 mice were exposed for 2 years to vapors of tetranitromethane at concentrations below (0.5 ppm) and slightly above (2 or 5 ppm) the current U.S. recommended occupational exposure limit.
(3) During suction a flow of cold, dry room air replaces the warm, moist cavity air, causing cooling both directly and by vaporization of water.
(4) We have investigated the whole-body dermal penetration of styrene, xylene, toluene, perchloroethylene, benzene, halothane, hexane, and isoflurane in rats and compared the permeability constants with available human studies on vapor penetration.
(5) The reductions are carried out at the nanogram to microgram level with borane, reacting the solid sample with condensed reagent vapor.
(6) Their effect of vaporizing and ablating (photodecomposing) thrombi and their thermal injuring effect on adjacent tissues were compared and assessed in order to select optimal laser with little thermal injuring and more rapid vaporizing or ablating thrombi effect for laser angioplasty.
(7) This was possible because the Ara test, for volatile compounds (such as vinyl bromide), did not require the use of special vaporization techniques, which are difficult to evaluate quantitatively for mutagenic activity.
(8) The vaporization effect is identical to that obtained with the isolated CO2 laser; the quality of haemostasis is limited to the effects of the Nd-YAG laser.
(9) The retrograde transport of receptor-bound opiate was markedly enhanced in the vagus nerves of rats housed for 25 days in an atmosphere of ethanol vapor.
(10) Enflurane anaesthesia with the vaporizer out of circle is recommended for routine surgical procedures.
(11) The battery-powered devices which let users inhale a vaporized liquid nicotine solution instead of tobacco smoke are the subject of a major medical report commissioned by the French health ministry and delivered on Tuesday.
(12) Tissue effects on peritoneal structures of rabbits with laparoscopic firing of this new laser demonstrated the ability to accomplish surface vaporization without bowel perforation or penetration greater than 2 mm.
(13) Carbon dioxide laser vaporization may be a useful alternative to frequently unsuccessful traditional surgical forms of therapy for selective cases of classical lymphangioma circumscriptum.
(14) Laser vaporization (LV) of the esophageal tumor and placement of an endoesophageal prosthesis (EEP) represents a new combination for palliation of MEO.
(15) The vapor was generated by passing air over arsenolite (As2O3, s) at various flow rates and temperatures, passed through a particulate filter and then was collected in a series of chilled Greenburg-Smith impingers.
(16) Such an analyser (Capnomac, Datex) was tested while performing two errors: a) erroneous selection of the agent on the analyser, the vaporizer being filled with the correct agent; b) total or partial filling of the vaporizer (Vapor 19, Dräger) with an incorrect agent, the analyser being set for the agent the vaporizer was specified for.
(17) The exposures were started at 2300 h. Generation of vapor was stopped after 1 h. Motor activity of the animals during the exposures was measured with a Doppler radar.
(18) Crystals of the recombinant 28 kDa glutathione S-transferase from Schistosoma mansoni have been obtained by the hanging-drop method of vapor diffusion from ammonium sulfate solutions.
(19) Similar autografts stored in liquid nitrogen vapor for one to 28 days without the cryopreservative DMSO exhibited a zero to 12.5% patency rate at one year.
(20) In contrast, pups exposed daily to ethanol vapor regularly achieved blood alcohol concentrations in excess of 250 mg%, but experienced only minimal growth retardation.