| filter sterilisation | A lab technique to sterilise a solution by passing it through a filter fine enough to catch bacteria-sized microorganisms. (09 Oct 1997) |
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| filterable | Capable of passing a filter; frequently applied to smaller viruses and some bacteria. (05 Mar 2000) |
| filtering cicatrix | A cicatrix through which fluid may seep; denoting especially a form of cicatrix produced by an operation for glaucoma, through which there is subconjunctival drainage of aqueous humor. (05 Mar 2000) |
| filtering operation | A surgical procedure for creation of a fistula between the anterior chamber of the eye and the subconjunctival space in treatment of glaucoma. (05 Mar 2000) |
| filtering surgery | A surgical procedure used in treatment of glaucoma in which an opening is created through which aqueous fluid may pass from the anterior chamber into a sac created beneath the conjunctiva, thus lowering the pressure within the eye. (hoffman, pocket glossary of ophthalmologic terminology, 1989) (12 Dec 1998) |
| filth | 1. Foul matter; anything that soils or defiles; dirt; nastiness. 2. Anything that sullies or defiles the moral character; corruption; pollution. "To purify the soul from the dross and filth of sensual delights. <medicine>" (Tillotson) Filth disease, a disease supposed to be due to pollution of the soil or water. Origin: OE. Filthe, fuloe, AS. Flo, fr. Ful foul; akin to OHG. Fulida. See Foul, and cf. File. Source: Websters Dictionary (01 Mar 1998) |
| filtrable virus | <virology> Viruses are obligate intracellular parasites of living but noncellular nature, consisting of DNA or RNA and a protein coat. They range in diameter from 20-300nm. Class I viruses (Baltimore classification) have double stranded DNA as their genome. Class II have a single stranded DNA genome. Class III have a double stranded RNA genome. Class IV have a positive single stranded RNA genome, the genome itself acting as mRNA. Class V have a negative single stranded RNA genome used as a template for mRNA synthesis. Class VI have a positive single stranded RNA genome but with a DNA intermediate not only in replication but also in mRNA synthesis. The majority of viruses are recognised by the diseases they cause in plants, animals and prokaryotes. Viruses of prokaryotes are known as bacteriophages. (13 Oct 1997) |
| filtrate | That which has passed through a filter. (05 Mar 2000) |
| filtrate factor | Former term for pantothenic acid. (05 Mar 2000) |
| filtrate nitrogen | Nonprotein nitrogen in various compounds that normally pass through the glomerular filtration, or through a filter in the laboratory (after proteins are precipitated). (05 Mar 2000) |
| filtration | The passage of a liquid through a filter, accomplished by gravity, pressure or vacuum (suction). (18 Nov 1997) |
| filtration angle | The acute angle between the iris and the cornea at the periphery of the anterior chamber of the eye. Synonym: angulus iridocornealis, angle of iris, angulus iridis, filtration angle. (05 Mar 2000) |
| filtration coefficient | A measure of a membrane's permeability to water; specifically, the volume of fluid filtered in unit time through a unit area of membrane per unit pressure difference, taking into account both hydraulic and osmotic pressures. (05 Mar 2000) |
| filtration fraction | The fraction of the plasma entering the kidney that filters into the lumen of the renal tubules, determined by dividing the glomerular filtration rate by the renal plasma flow; normally, it is around 0.17. (05 Mar 2000) |
| filtration slits | The intercellular clefts between the interdigitating pedicels of podocytes; they are part of the filtration barrier of renal corpuscles. Synonym: filtration slits. (05 Mar 2000) |
| filiform |
thread shaped.
Ãâó: gmbis.marinebiodiversity.ca/BayOfFundy/glossE-H.ht...
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| filter |
To remove impurities or solid particles from a liquid or gas, eg, the removal of dust particles from air that is breathed in as it passes the hairs that line the nose.
Ãâó: www.spinalnet.co.uk/EEndCom/GBCON/homepage.nsf/0/8...
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| filtration |
A treatment process, under the control of qualified operators, for removing solid (particulate) matter from water by means of porous media such as sand or a man-made filter; often used to remove particles that containing pathogens.
Ãâó: www.nsc.org/ehc/glossary.htm
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| film |
The medium whereby images are recorded on plastic through a photochemical process. As a verb, "to film" means the production process used to record images and sound on film using film hardware.
Ãâó: www.pbs.org/weta/myjourneyhome/teachers/glossary.h...
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| fillet |
a curved portion forming a junction of two surfaces that would otherwise intersect at an angle. A fillet is used to disseminate and relieve shrinkage or other stresses, to allow movement not otherwise possible, and to facilitate the placement and removal of concrete forms
Ãâó: www.globalsecurity.org/military/library/policy/arm...
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| fil | fill or stop up |
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| fil | appoint someone to (a position or a job) |
| fil | assume, as of positions or roles |
| fil | occupy the whole of |
| fil | fill something that had previously been emptied |
| fil | supply with information on a specific topic |
| fil | write all the required information onto a form |
| fil | represent the effect of shade or shadow on |
| fil | be a substitute |
| fil | become round, plump, or shapely |
| fil | make bigger or better or more complete |
| fil | write all the required information onto a form |
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