Gnotobiotic animal

Gnotobiotic animal

A gnotobiotic animal (from Greek roots "gnostos" 'known' and "vios" 'life') is an animal in which only certain known strains of bacteria and other microorganisms are present (compare germ-free animals).

Gnotobiotic animals (also 'gnotobiote' or 'gnotobiont') are born in aseptic conditions, removed from the mother by Caesarean section. They are reared in the laboratory, exposed only to those microorganisms that the researchers wish to be present in the animal. They are used in research into the symbiotic relationship between an animal and the microorganisms that inhabit its body.

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  • gnotobiotic — Denoting germ free or formerly germ free organisms in which the composition of any associated microbial flora, if present, is fully defined. [see gnotobiota] * * * gno·to·bi·ot·ic .nō tə (.)bī ät ik, bē adj of, relating to, living in, or being a… …   Medical dictionary

  • gnotobiotic — adj. describing germ free conditions or a germ free animal that has been inoculated with known microorganisms …   The new mediacal dictionary

  • Germ-free animal — Germ free animals are animals that have no microorganisms living in or on it. Such animals are raised within germ free isolators in order to control their exposure to viral, bacterial or parasitic agents.… …   Wikipedia

  • conventional animal — an experimental animal that has not been reared under gnotobiotic conditions …   Medical dictionary

  • gnotobiote — noun see gnotobiotic * * * /noh toh buy oht/, n. a gnotobiotic animal. [ < Gk gnot(ós) known + o + biote, back formation from BIOTIC] * * * gnotobiote / bīˈōt/ noun A gnotobiotic animal • • • Main Entry: ↑gnotobiology …   Useful english dictionary

  • gnotobiote — /noh toh buy oht/, n. a gnotobiotic animal. [ < Gk gnot(ós) known + o + biote, back formation from BIOTIC] * * * …   Universalium

  • germfree life — Introduction       biological condition characterized by the complete absence of living microorganisms. Gnotobiology comprises the study of germfree plants and animals, as well as living things in which specific microorganisms, added by… …   Universalium

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