A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.Megaspore tetrad is linear. The chalazal megaspore develops into a...
Objective : To probe into relationship between female melancholia and sex hormones levels.目的: 探讨女性抑郁症与性激素水平的关系.It is also an endocrine gland secreting at least two important hormones.它也是一种内分泌腺,至少分泌二种重要的激素....hormones whi...
格拉斯哥部分地区的入室盗窃案与伦敦、利物浦最乱的地区一样猖狂。Parts of Glasgow are on a par with the worst areas of London and Liverpool for burglaries.祥子在极乱的心中还没忘了自己的事.In. spite of his confusion, Xiangzi had not forgotten his own affairs." 不会的, " 他边说...