微び粒りゅう子し病びょう原げん体たいMeaningsNoun1. Nosema bombycis (microsporidian parasite responsible for pebrine)Kanji used微micro粒a single grain子child病illness原original体bodyComposed of微び粒りゅう子しcorpuscle; minute particle; particulateNoun病びょう原げん体たいpathogenNoun