gnotobiotics

(redirected from gnotobiotically)
Also found in: Medical, Encyclopedia.

gno·to·bi·ot·ics

 (nō′tō-bī-ŏt′ĭks)
n. (used with a sing. verb)
The study of organisms or environmental conditions that have been rendered free of bacteria or contaminants or into which a known microorganism or contaminant has been introduced for research purposes.

[Greek gnōtos, known; see gnō- in Indo-European roots + biotics, study of living organisms.]

gno′to·bi·ot′ic adj.

gnotobiotics

(ˌnəʊtəʊbaɪˈɒtɪks)
n
(Biology) (functioning as singular) the study of organisms living in germ-free conditions or when inoculated with known microorganisms
[C20: from Greek, from gnōtos, from gignōskein to know + bios known life]
ˌgnotobiˈotic adj
ˌgnotobiˈotically adv

gnotobiotics

a branch of biology that studies animals under germ-free conditions.
See also: Biology
References in periodicals archive ?
Over time investigators came to realize that viral infections were but one factor, and that even gnotobiotically derived animals could be infected with opportunistic bacteria and other organisms capable of affecting a study outcome.
Influence of the composition of the cellulolytic flora on the development of hydrogenotrophic microorganisms, hydrogen utilization, and methane production in the rumens of gnotobiotically reared lambs.
Gnotobiotically grown rotifer Brachionus plicatilis sensu strictu as atool for evaluation of microbial functions and nutritional value of different food types.