| axenic | <biology> A situation in which only one species is present. Thus an axenic culture is uncontaminated by organisms of other species, an axenic organism does not have commensal organisms in the gut etc. Some organisms have obligate symbionts and cannot be grown axenically. (18 Nov 1997) |
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| axenic culture | <cell culture, microbiology> A culture that contains only one microbial species. (02 Jan 1998) |