nucellus翻譯，nucellus的意思，nucellus同義詞，nucellus的反義詞，nucellus短語詞匯

詞語：nucellus

nucellus的解釋

nucellus[nju:'seləs, 'nju:seləs]n. [植]珠心

nucellus的意思

nucellus 珠心;珠心：胚珠內提供養分的細胞層;nucellus embryo 珠心胚;

nucellus的參考例句

1.The nucellus is usually degraded and absorbed as the endosperm develops. 珠心通常在胚乳發育時被分解和吸收。

2.In endospermic seeds the endosperm replaces the nucellus and is often a rich source of growth-regulating substances. 在有胚乳種子中，胚乳取代珠心，成為生長調節物質（應為營養物質譯者注）的豐富來源。

3.The single megaspore archesporial cell origins from nucellus hypodermal layer and becomes the megaspore mother cell directly, which as tenuinucellate. 大孢子孢原細胞起源於珠心次表皮層，並直接行使大孢子母細胞功能，為薄珠心。