細胞内共生 さいぼうないきょうせい Meanings Noun endosymbiosis Kanji 細 fine. Read as サイ. 胞 cell. Read as ホウ. 内 inside. Read as ナイ. 共 together. Read as キョウ. 生 life. Read as セイ. Word lists Biology Jinuma: Japanese Dictionary · Word lists