<unk>  is a pure microbial or viral sample that has been obtained from an infected individual, rather than grown in a laboratory.  In chemistry and bacteriology, the verb<unk>  means to obtain a pure chemical, bacteriological or viral sample.  The noun<unk> ' refers to the sample itself.
According to the 'Bulletin of Experimental Treatments for AIDS, Year-End, 1999'  glossary, a<unk>  is "HIV taken from an infected individual, as opposed to that grown in a laboratory."<unk>  is also used to describe functions available with certain pipeline valves used in the petroleum and natural gas industries: "DFB Series Integral Block & Bleed Ball Valve...A range of flanged ball valves with the option of<unk> ,<unk>  & Vent &<unk>  & Secondary<unk>  & Vent."
Primary isolate
Clinical ecology
Microbiology template
Clinical site
Serotype
In vitro
Cell culture
Exudate