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。
]外胚层；上胚层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。
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.
成熟胚具有胚
、胚芽、盾片、胚芽鞘、胚鞘、外胚叶等典型禾本科植物成熟胚的结构。
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