nucellus

nucellus的英语例句

1. The cells of the integument and nucellus of some plants form perfectly normal embryos.

   某些植物的珠被和珠心细胞形成完全正常的胚.

2. Food materials may be stored in a special tissue derived from the nucellus, called the perisperm.

   营养物质可以贮藏于由珠心产生的一种特殊组织, 叫外胚乳.

3. The nucellus is usually degraded and absorbed as the endosperm develops.

   珠心通常在胚乳发育时被分解和吸收.