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.

Synonym(s): growth medium, medium (3) , nutrient medium

Farlex Partner Medical Dictionary © Farlex 2012

culture medium

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) .

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

culture medium

see MEDIUM.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

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) .

Medical Dictionary for the Dental Professions © Farlex 2012

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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.

UNIVERSITY OF HELSINKI: Cancer is a skilled lobbyist, but an unfamiliar environment will confuse it

In the MS culture medium, a higher number of shoots occurred compared to KNOP.

Temporary immersion biorreators: efficient technique for the propagation of the 'Pircinque' strawberry/ Biorreatores de imersao temporaria: tecnica eficiente para a propagacao de morangueiro 'Pircinque'

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).

EVALUATION OF GENOTOXIC AND CYTOTOXIC EFFECTS OF ANORECTIC DRUGS IN LYMPHOCYTES OF OBESE PEOPLE/Avaliacao dos efeitos genotoxicos e citotoxicos de medicamentos anoreticos em linfocitos de pessoas obesas

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).

Chemical sterilization of culture medium for in vitro multiplication of Cochlospermum regium/Esterilizacao quimica do meio de cultura para a multiplicacao in vitro de Cochlospermum regium

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.

Aquaculture biological waste as culture medium to cultivation of Ankistrodesmus gracilis (Reinsch) Korshikov/Residuos biologicos de aquicultura como meio de cultura para o cultivo de Ankistrodesmus gracilis (Reinsch) Korshikov

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.

ENHANCED COMMERCIAL ENZYME PRODUCTION BY PENICILLIUM NOTATUM IBGE 03

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.

Growth of the microalgae Tetraselmis tetrathele and nitrate depletion in culture medium Guillard f/2 and Conway/Crescimento da microalga Tetraselmis tetrathele e deplecao de nitrato em meio de cultivo Guillard f/2 e Conway

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."

Iranian Scientists Prolong Life of Hepatocytes Evolved from Stem Cells

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.

New system tells how hazardous are air pollutants

The new culture medium, called Campy-Cefex, is specifically designed to detect and differentiate C.

New Campylobacter-detecting medium licensed