| elementary body |
1. old term for platelet. 2. an inclusion body. 3. the infectious extracellular form of Chlamydia, consisting of electron-dense nuclear material and a few ribosomes surrounded by a rigid trilaminar wall. Elementary bodies are taken up into cells where they reorganize into reticulate bodies (qv); following reproduction, chlamydiae are released from the cell as elementary bodies.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| elementary particle |
In particle physics, an elementary particle is a particle of which other, larger particles are composed. For example, atoms are made up of smaller particles known as electrons, protons, and neutrons. The proton and neutron, in turn, are composed of more elementary particles known as quarks. ...
출처: en.wikipedia.org/wiki/Elementary_particle
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| element |
A substance composed of atoms with a unique number of protons in each nucleus. There are 92 naturally occurring and 15 manmade elements.
출처: www.nsc.org/ehc/guidebks/wippglos.htm
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| elementary particle |
Indivisible unit from which all matter is made and forces are communicated. Currently known elementary matter particles are grouped into categories of quarks and leptons and their anti-matter counterparts. These particles interact through fundamental force carrier particles, which include the gluon, photon, and W and Z particles, and the theorized-but-undiscovered graviton.
출처: www.pbs.org/wgbh/nova/teachers/activities/3012_ele...
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| element |
A substance that cannot be decomposed into a simpler substance by a chemical reaction. A substance composed of only one kind of atom.
출처: xenon.che.ilstu.edu/genchemhelphomepage/glossary/e...
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