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macrophage
macrophage A large phagocytic cell (see phagocyte) that can ingest pathogenic microorganisms (e.g. bacteria, protozoa) or cell debris and forms part of the body's immune system. Macrophages develop from precursor cells (promonocytes) in bone marrow, become wandering monocytes in the bloodstream, and... Read more |
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thorax
thorax body division found in certain animals. In humans and other mammals it lies between the neck and abdomen and is also called the chest. The skeletal frame of the thorax is formed by the sternum (breastbone) and ribs in front and the dorsal vertebrae in back. Within the thoracic cavity are the... Read more |
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pharynx
pharynx , area of the gastrointestinal and respiratory tracts which lies between the mouth and the esophagus. In humans, the pharynx is a cone-shaped tube about 4 1/2 in. (11.43 cm) long. At its upper end, it is continuous with the mouth and nasal passages, and connects with the ears via the ... Read more |
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lung
lung The respiratory organ of air-breathing vertebrates. A pair of lungs is situated in the thorax, within the ribcage. Each consists essentially of a thin moist membrane that is folded to increase its surface area. Exchange of oxygen and carbon dioxide takes place between blood capillaries on one... Read more |
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spark chamber
spark chamber in physics, device for recording the passage of elementary particles produced by reactions in a particle accelerator . Particles pass through a stack of metal plates or wire grids that are maintained with high voltage between alternate layers. A high-pressure gas fills the gaps... Read more |
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Thoracentesis
Thoracentesis Definition Also known as pleural fluid analysis, thoracentesis is a procedure that removes fluid or air from the chest through a needle or tube. Purpose The lungs are lined on the outside with two thin layers of tissue called pleura. The space between these two layers is called the... Read more |
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Childhood mental disorders
Interpersonal therapy Definition Interpersonal therapy (IPT) is a short-term supportive psychotherapythat focuses on the connection between interactions between people and the development of a person's psychiatric symptoms. Purpose Interpersonal therapy was initially... Read more |
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cybernetics
cybernetics [Gr.,=steersman], term coined by American mathematician Norbert Wiener to refer to the general analysis of control systems and communication systems in living organisms and machines. In cybernetics, analogies are drawn between the functioning of the brain and nervous system and... Read more |
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lymph
lymph A colourless fluid, similar to blood plasma, that consists mainly of salts and proteins in water and suspended fats (whose presence and amount varies according to food intake). It drains from spaces between cells into a network of vessels (the lymphatic system) that convey it to the... Read more |
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Ultrafine particles cross cellular membranes by nonphagocytic mechanisms in...
...of UFPs in lungs and their...inhaled an ultrafine titanium...individual particles. In an in...pulmonary macrophages and red blood...assessed particle uptake by...titanium dioxide particles were found...all major ... |
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Ultrafine particles: Geiser et al. respond.(Perspectives: Correspondence)
...cite their human study (Nemmar...radiolabeled ultrafine carbon particles (Figure...main carbon particle retention in lungs), and the...charges of the particles we used for...translocation of ultrafine ... |
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Pulmonary response to intratracheal instillation of ultrafine versus fine...
...as well as human health have...dependent on particle surface area...produced as ultrafine particles, which have...solubility particle which was considered...demonstrated that ultrafine TiO2 (UFTiO2...inflammation in rat ... |
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Translocation of ultrafine particles.(Perspectives: Correspondence)
...porcine pulmonary macrophages and human red blood cells...clearance of an ultrafine (60 nm) technetium...scatter from the lung and/or overlap of lung parenchyma in...pass from the lungs into blood and...effect of inhaled ... |
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Combustion-derived ultrafine particles transport organic toxicants to target...
...Cells of a human bronchial...ultrafine BDS particles move down...from the particle surface to...that BDS particles pass into...airborne ultrafine particles...deposited in the lung and can ... |
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Instillation of six different ultrafine carbon particles indicates a surface...
...response in lungs. We used six...air, fine and ultrafine particles...the mass of ultrafine particles...al. 2000). Ultrafine components of...which produces lung inflammation...largely evade ... |
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Evidence that ultrafine titanium dioxide induces micronuclei and apoptosis in...
...in rat lung alveolar macrophages. UF-Ti...sub.2] particles are photogenotoxic...sub.2] (particle size [less...sub.2] (particle size > 200...micronuclei, ultrafine titanium...and ,in humans (2,3...exposure to ... |
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Translocation of inhaled ultrafine manganese oxide particles to the central...
...instilled gold ultrafine particles...analyzed Mn in lung, liver, olfactory...Mn levels. Macrophage inflammatory...differences between human and rodent olfactory...relevant in humans. KEY WORDS...are airborne ... |
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Nanoparticle inhalation augments particle-dependent systemic microvascular...
...specific to human health include...Titanium dioxide ultrafine particles that...Once in the lung, TiO2 nanoparticles...alveolar macrophage recruitment...chemokines [7]. Ultrafine particles ... |
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Air pollution-related illness: effects of particles.(ATMOSPHERE)
...unregulated ultrafine particles are...deeper into lung tissue than...bacteria in lung tissue. More...production in the lungs, endotoxin...characterized in humans are the effects...10). In human and ... |
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