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The internal parts of the young seed. Large protein bodies are seen in both the perisperm and the endosperm. Amyloplasts (large arrow) are mainly found in the perisperm. The endosperm and perisperm cell walls are very thin (small arrows). Abbreviations: Eb, embryo; Es, endosperm; Et, endothelium with labyrinthine wall (LW); PB, protein bodies; Ps, perisperm.
