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Fig. 3 | Protoplasma

Fig. 3

From: Integument cell gelatinisation—the fate of the integumentary cells in Hieracium and Pilosella (Asteraceae)

Fig. 3

Ultrastructure of the peri-endothelial zone cells in Pilosella officinarum, TEM. a General ultrastructure of the mucilage cells. Bar = 3.5 μm. b Ultrastructure of the mucilage cells: dictyosomes with numerous vesicles (arrow), mitochondrion (m), nucleus (N), mucilage (M). Bar = 1 μm. c Plasmodesmata connected with the cytoplasmic bridge (white arrow); note that the plasmodesma (black arrow) is partially embedded in the mucilage (M), cell wall (cw), dictyosome (D). In insert, there is a magnified part of cytoplasmic bridge to show microtubule. Bar = 0.15 μm

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