菌きん核かくきんかくMeanings1nounsclerotiumA compact mass of hardened fungal mycelium, often serving as a survival structure. Used in mycology and plant pathology.菌きん核かくは、菌きん類るいが休きゅう眠みん状じょう態たいで生いき延のびるための構こう造ぞうです。A sclerotium is a structure that allows fungi to survive in a dormant state.