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Gram-positive bacterium
Глоссарий медицинских терминов |
A bacterium which retains violet dye and appears blue-black when viewed under the microscope gram’s stain gram’s stain /&rmz ste?n/
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Bacterium, английский
A microscopic organism. some types are permanently present in the gut and can break down food tissue, but many can cause disease. (note: the plural is bacteria.) comment: bacteria can be shaped like rods (bacilli), like balls (cocci) or have a spiral form (spirochaetes). bacteria, especially bacilli and spirochaetes, can move and reproduce very rapidly.
Bacterium (bacteria), английский
Bacterium (pl. bacteria), английский
Бактерия
Bacterium bacteria, английский
Bacterium pl bacteria, английский
Bacterium, ii, n, латинский
Gram-positive bacilli, английский
Microscope, английский
- Microscopio
- A scientific instrument with lenses, which makes very small objects appear larger the tissue was examined under the microscope. under the microscope it was possible to see the cancer cells. comment: in an ordinary or light microscope the image is magnified by lenses. in an electron microscope the lenses are electromagnets and a beam of electrons is used instead of light, thereby achieving much greater magnifications.
- Device used to form a highly magnified image of tiny objects for clear visualization
- Instrument that provides enlarged images of small objects. microscope, compound: conventional microscope, using geometrical optics for magnification. also called laboratory microscope. microscope, interference: magnifier using the wavelength of light as a unit of measure for surface contour and other characteristics. microscope, metallographic: metallurgical microscope incorporating a camera. also called a metallograph. most metallographic microscopes share these features: (a) stand with concealed shock absorbers, (b) intense light source, (c) inverted stand so that the test object is face down, (d) viewing screens for prolonged tasks such as dirt count or grain size measurements, (e) bright, dark and polarized illumination options. microscope, metallurgical: microscope designed with features suited for metallography. microscope, phase contrast: laboratory microscope with two additional optical elements to transmit both diffracted and undiffracted light, revealing refractive index discontinuities in a completely transparent test object. microscope, polarizing: microscope with polarizing elements to restrict light vibration to a single plane for studying material with directional optical properties. as fibers, crystals, sheet plastic and materials under strain are rotated between crossed polarizers on the microscope stage, they change color and intensity in a way that is related to their directional properties. mig welding: see gas metal arc welding.
- Instrument that provides enlarged images of very small objects.
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Gram-negative bacterium, английский
A bacterium which takes up the red counterstain, after the alcohol has washed out the first violet dye gram-positive bacterium 164
Haemophilus influenzae, английский
A bacterium which lives in 169 hallux valgus healthy throats, but which can cause pneumonia if a person’s resistance is lowered by a bout of flu
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