culture medium


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Related to culture medium: agar

medium

 [me´de-um] (pl. mediums, me´dia) (L.)
1. an agent by which something is accomplished or an impulse is transmitted.
3. a preparation used in treating histologic specimens.
contrast medium a radiopaque substance used in radiography to permit visualization of body structures. Called also contrast agent.
culture medium a substance or preparation used to support the growth of microorganisms or other cells; called also medium.
dioptric media refracting media.
disperse medium dispersive m.
dispersion medium dispersive m.
dispersive medium the continuous phase of a colloid system; the medium in which the particles of the disperse phase are distributed, corresponding to the solvent in a true solution.
refracting media the transparent tissues and fluid in the eye through which light rays pass and by which they are refracted and brought to a focus on the retina.

cul·ture me·di·um

a substance, either solid or liquid, used for the cultivation, isolation, identification, or storage of microorganisms.

culture medium

n.
A liquid or gelatinous substance containing nutrients in which microorganisms, cells, or tissues are cultivated for scientific purposes.

cul·ture me·di·um

(kŭl'chŭr mē'dē-ŭm)
A substance, either solid or liquid, used for the cultivation, isolation, identification, or storage of microorganisms.
Synonym(s): medium (3) .

culture medium

see MEDIUM.

cul·ture me·di·um

(kŭl'chŭr mē'dē-ŭm)
A substance, either solid or liquid, used for the cultivation, isolation, identification, or storage of microorganisms.
Synonym(s): medium (3) .
References in periodicals archive ?
'Now we are conducting research on a culture medium made of human lymph nodes to see whether it works better than the one made of pig lymph nodes.
Caption: Figure 1--Mean of binucleated micronucleus lymphocytes exposed for 24 hours to the following: C + doxorubicin (0.02 [micro]g / mL culture medium); C- (culture medium); S-5 (Sibutramine 5.0 [micro]g / mL culture medium); S-10 (Sibutramine 10 [micro]g / mL culture medium); S-20 (Sibutramine 20 [micro]g / mL culture medium); F-5 (Femproporex 5.0 [micro]g / mL culture medium); F 10 (Femproporex 10 [micro]g / mL culture medium); and F-20 (Femproporex 20 [micro]g / mL culture medium).
The experiment was conducted in a completely randomized design in a factorial scheme (4x5), with split-plots subdivided in 4 culture medium preparations (Factor 1--autoclaved, 0.001%, 0.003% and 0.005% Cl) and 5 subcultivations (Factor 2-0, 28, 49, 70 and 91 days).
These alternative culture media provide a better possibility to replace the conventional culture medium, more expensive and less accessible to consumers when compared to inorganic fertilizer (NPK) and to macrophytes.
Optimal conditions for the production of invertase (6.41 U/mL) by Penicillium notatum IBGE 03 were observed when the strain was grown on culture medium CM1 containing yeast extract as a source of nitrogen, molasses as a source of carbon after 48 h of incubation at initial pH 6.5, temperature 40 C, inoculum size of 6x106 conidia in 50 mL of culture medium and agitation rate of 200 rev/min.
The nitrate reduction in the Guillard f/2 culture medium was statistically faster (p < 0.05) than observed in Conway medium, with a mean of 108 [+ or -] 12h.
We also reduced the risk of using clinical cells for humans to the minimum by removing bovine growth factor from culture medium and replacing it by human platelet factor."
Ritter said: "With the conventional test systems, the atmosphere above the cells frequently is not separated cleanly enough from the culture medium, especially along the margins of the membrane.
Under experimental conditions, the use of solid culture medium to evaluate fungal growth is considered adequate, since in nature fungi normally develop on solid substrates, such as plant and animal residues, or in the soil (Griffin, 1994).
The new culture medium, called Campy-Cefex, is specifically designed to detect and differentiate C.