1.Most grass embryos have a flap-like structure known as the epiblast.
大多数禾本科胚有一片瓣状结构通常称为外胚叶。
2.The mature embryo is corn posed of radicle, coleorhiza, plumule, coleoptile, scutellum and epiblast.That is the typical structure of the mature embryo of grass.
]外胚层；上胚层
，
分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
熟胚具有胚
、胚芽、盾片、胚芽鞘、胚
