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Fig. 1 | Protoplasma

Fig. 1

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

Fig. 1

Pilosella officinarum, Light microscopy. a Semithin section through an ovary (ov), ovule with an embryo sac (es). Peri-endothelial tissue–mucilage cells (Mu), micropyle (M), chalaza (Ch). Bar = 50 μm. b Semithin section through an ovule with an embryo sac showing the structure of the periendothelial zone cells (Mu) and mucilage cavities (L). Egg cell (eg), central cell (cc), synergids (s) synergid filiform apparatus (arrow), integumental tapetum (It). Bar = 20 μm. c Chalazal periendothelial tissue note irregular shape of protoplasts of mucilage cells; mucilage cavities (L), bar = 20 μm

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