| vacuum disk phenomenon | The appearance of a radiolucent stripe in an intervertebral disk, a manifestation of disk degeneration; a misnomer since there is gas present. (05 Mar 2000) |
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| vacuum extraction, obstetrical | Removal of the foetus from the uterus or vagina at or near the end of pregnancy with a metal traction cup that is attached to the foetus' head. Negative pressure is applied and traction is made on a chain passed through the suction tube. (12 Dec 1998) |
| vacuum extractor | Device for producing traction upon the head of a foetus by means of a soft cup held by a vacuum. (05 Mar 2000) |
| vacuum flask | <apparatus> A glass vessel, often silvered, with two walls, the space between which is evacuated; used for maintaining materials at constant temperature or, more usually, at low temperature. Synonym: vacuum flask. (05 Mar 2000) |
| vacuum headache | Headache due to closure of the frontal sinus. (05 Mar 2000) |
| vacuum pan | A device for growing crystals from solutions by gradually lowering the pressure within the sealed container holding the liquid. (09 Oct 1997) |
| vacuum tube | A glass tube from which the air has been removed, containing two or more electrodes, between which passes an electrical current or spark; used in the production of X-rays, or to control circuits. Previously in wide use, the vacuum tube has been supplanted by transistors in electronic circuits. (05 Mar 2000) |
Synonyms : Vacuum Extraction, Obstetric, Deliveries, Vacuum Extraction, Extraction Deliveries, Vacuum, Extraction Delivery, Vacuum, Extraction, Obstetric Vacuum, Extraction, Obstetrical Vacuum, Extractions, Obstetric Vacuum, Extractions, Obstetrical Vacuum
| vaccine |
A preparation of dead or weakened pathogens, or of derived antigenic determinants, that is used to induce formation of antibodies or immunity against the pathogen.
출처: www.fao.org/docrep/003/X3910E/X3910E25.htm
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| vaccinia |
The cowpox virus used to vaccinate against smallpox and, experimentally, as a carrier of genes for antigenic determinants cloned from other disease organisms.
출처: www.fao.org/docrep/003/X3910E/X3910E25.htm
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| vacuole |
(L. diminutive of vacuus, empty) A cavity in a plant cell, bounded by a membrane; in which various plant products and by-products are stored.
출처: www.fao.org/docrep/003/X3910E/X3910E25.htm
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| vacuum |
Vacuum is created through use of a vacuum pump or aspirator pump, to facilitate specific biological preparations, such as inclusions or disinfection of material for in vitro culture, etc.
출처: www.fao.org/docrep/003/X3910E/X3910E25.htm
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| vaccination |
a form of immunization in which killed or weakened microorganisms are placed into the body, where antibodies against them are developed; if the same types of microorganisms enter the body again, they will be destroyed by the antibodies
출처: www.american-depot.com/services/resources_gl_v.asp
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| VAC | formed into or containing one or more vacuoles or small membrane-bound cavities within a cell |
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| VAC | formed into or containing one or more vacuoles or small membrane-bound cavities within a cell |
| VAC | the state of having become filled with vacuoles |
| VAC | a tiny cavity filled with fluid in the cytoplasm of a cell |
| VAC | the state of having become filled with vacuoles |
| VAC | the state of having become filled with vacuoles |
| VAC | devoid of significance or point |
| VAC | complacently or inanely foolish |
| VAC | in a vacuous manner |
| VAC | total absence of matter |
| VAC | an electrical home appliance that cleans by suction |
| VAC | a region empty of matter |