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Cosmic Dust
Cosmic Dust
Finely divided solid matter with particle sizes smaller than a micrometeorite, thus with diameters much smaller than a millimeter, moving in interplanetary space. (NASA Thesau...<br/>Year introduced: 1997
MeSH
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Particulate Matter
Particulate Matter
Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce...<br/>Year introduced: 2007
MeSH
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Pyroglyphidae
Pyroglyphidae
Family of house dust mites, in the superfamily Analgoidea, order Astigmata. They include the genera Dermatophagoides and Euroglyphus.<br/>Year introduced: 2003
MeSH
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