珠しゅ心しんMeanings1nounnucellusbotanyBotanical term for the central tissue of an ovule, inside the integuments. Used in plant anatomy contexts.珠しゅ心しんは胚はい珠しゅの中ちゅう心しん部ぶにある組そ織しきです。The nucellus is the tissue at the center of the ovule.
