| devil bird | <zoology> A small water bird. See Dabchick. Source: Websters Dictionary (01 Mar 1998) |
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| qua-bird | <zoology> The American night heron. See Night. Source: Websters Dictionary (01 Mar 1998) |
| egg-bird | <zoology> A species of tern, especially. The sooty tern (Sterna fuliginosa) of the West Indies. In the Bahama Islands the name is applied to the tropic bird, Phaethon flavirostris. Source: Websters Dictionary (01 Mar 1998) |
| ling-bird | <zoology> The European meadow pipit. Synonym: titling. Source: Websters Dictionary (01 Mar 1998) |
| lyre bird | <ornithology> Any one of two or three species of Australian birds of the genus Menura. The male is remarkable for having the sixteen tail feathers very long and, when spread, arranged in the form of a lyre. The common lyre bird (Menura superba), inhabiting new South Wales, is about the size of a grouse. Its general colour is brown, with rufous colour on the throat, wings, tail coverts and tail. Synonym: lyre pheasant and lyre-tail. Source: Websters Dictionary (01 Mar 1998) |
| agar | <cell culture, chemical, microbiology> This gelatinous material, an extract from red algae (mainly Gelidium and Gracilaria species), is most frequently used as a culture medium, especially for bacteria. It is also used as a thickener in foods, but humans cannot digest it. (06 May 1997) |
| agar-gel reaction | <immunology> The reaction between an antibody and an antigen during an immunology lab procedure where the two are allowed to diffuse toward each other through an agar-gel medium. Lines of precipitation form in the places on the gel where the two react with each other and shows where the reaction has occurred. (09 Oct 1997) |
| ascitic agar | A form of serum agar. (05 Mar 2000) |
| bile salt agar | An agar medium containing lactose, peptone, sodium taurocholate, and neutral red, for the growth and isolation of Gram-negative rods. (05 Mar 2000) |
| birdseed agar | Media prepared from Guizottia abyssinica seeds used in culturing and in the presumptive diagnosis of Cryptococcus neoformans. (05 Mar 2000) |
| blood agar | <cell culture> An agar-based medium which hasbeen enriched with sterilised, defibinated blood (sheep, rabbit or horse). It is used for primary plating andsubculturing, especially to determine bacterial haemolysis. (09 Oct 1997) |
| Bordet-Gengou potato blood agar | Glycerine-potato agar with 25% of blood, used for the isolation of Bordetella pertussis. (05 Mar 2000) |
| brain-heart infusion agar | A medium used for the isolation of fastidious microorganisms, especially fungi. (05 Mar 2000) |
| brilliant green salt agar | A highly selective culture medium consisting of agar with peptone, lactose, sodium taurocholate, brilliant green, and picric acid solution used in the primary isolation of enteric pathogens such as Salmonella species. (05 Mar 2000) |
| MacConkey agar | Medium containing peptone, lactose, bile salts, neutral red, and crystal violet used to identify Gram-negative bacilli and characterise them according to their status as lactose fermenters. Fermenters appear as red colonies while nonfermenters are colourless. (05 Mar 2000) |