aux.o.troph.ic
adj.（形容词）Requiring one or more specific substances for growth and metabolism that the parental organism was able to synthesize on its own. Used with respect to organisms, such as strains of bacteria, algae, or fungi, that can no longer synthesize certain growth factors because of mutational changes.有营养缺陷的：需求一种或多种用于有机体成长及代谢、其自身可以合成特定物质的。用于指如细菌菌株，水藻或真菌等因某种突变不能再合成特定生长因子的有机体
来源：Greek auxein [to increase] * see auxin 希腊语 auxein [增加] *参见 auxin-trophic -trophic
