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TEM, transverse sections of cells within the hypophyses of stage 4–8 individuals. Cytoplasm is reduced. (A) Stage 4: Plastid with small starch granule and abundant thylakoid membranes. (B) Stage 5: Plastid with thylakoid membranes. (C) Stage 7: Plastid with empty spaces between membranes as well as small, plastoglobuli. (D) Stage 8: Plastid with few membranes and large plastoglobuli.
