noun🔗Share珠心The tissue which surrounds and protects the embryo and lies inside of the integuments."The scientist carefully dissected the ovule to examine the nucellus, the protective tissue surrounding the developing plant embryo. "科学者は、発育中の植物胚を取り囲む保護組織である珠心を調べるために、胚珠を注意深く解剖した。biologyplantseedanatomypartstructureChat with AIVocabulary GamePractice Reading
