細菌叢 さいきんそう Meanings Noun bacterial flora; microbiota Kanji 細 fine. Read as サイ. 菌 germ. Read as キン. 叢 plexus; clump of bushes; thicket. Read as ソウ. Words containing 細菌叢 腸内細菌叢 (ちょうないさいきんそう) gut microbiota Jinuma: Japanese Dictionary · Word lists