单词	gnotobiotic
释义	gnotobiotic /ˌnəʊtə(ʊ)bʌɪˈɒtɪk / adjective Biology Relating to or denoting an environment for rearing or culturing organisms in which all the microorganisms are either known or excluded.The March 30th issue of the Proceedings of the National Academy of Sciences, with a Warholian zebrafish cover, features a study from Washington U. where the fish were raised under strictly aseptic (gnotobiotic) conditions.... Recently, however, model systems for examination of the intestinal flora have been made available in the establishment of germ-free, gnotobiotic (known flora) and specific pathogen-free animals. The MUSC Gnotobiotic Research Resource gives investigators at MUSC a unique opportunity to conduct research with germfree (gnotobiotic) animal models, in addition to more widely available specific-pathogen-free animal models. Origin 1940s: from Greek gnōtos 'known' + biotic.
随便看	Raman line Raman-scattered Raman scattering Raman shift Raman-shifted Raman, Sir Chandrasekhara Venkata Raman spectrometer Raman spectroscopy Raman spectrum Ramanujan, Srinivasa Aaiyangar ramapithecine Ramapithecus ramarama Ramayana rambai rambeh Rambert, Dame Marie rambla ramblage ramble ramble-headed rambler ramble-scramble rambling ramblingly

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。