ちょうないさいきんそう 腸内細菌叢 LinksSentence search for 腸内細菌叢Sentence search for ちょうないさいきんそうKanji details for 腸, 内, 細, 菌 and 叢Edit in JMdict Noun1. gut microbiota; gut flora; intestinal flora; gut microbiome Discussions Log in to talk about this word.