1·The nutrient transported from dorsal vascular bundles first unloaded into apoplast via nucellar projection, then was absorbed by aleurone layer cells;
由背部维管束运来的养分经珠心突起先卸至质外体,其后再由糊粉层细胞吸收;
2·Aleurone layer was the cell layer by which the endosperm assimilated nutrients.