Figure 3.

Microscopic study. a) Transmission electron microscopic (TEM) picture of frond cells with lower magnification, Bars = 2 μm; b) TEM picture of turion cells with lower magnification, Bar = 2 μm; c) TEM picture of a frond cell with higher magnification, Bar = 2 μm; d) TEM picture of a turion cell with higher magnification, Bar = 2 μm; e) TEM picture of a section of a turion cell with higher magnification, Bar = 2 μm; f) TEM picture of a section of a turion cell with the highest magnification, Bar = 500 nm. Abbreviations are chloroplast (C), starch granule (S), vacuole (V), intercellular air space (A), thylakoid membrane (T), nucleus (N).

Wang and Messing BMC Plant Biology 2012 12:5   doi:10.1186/1471-2229-12-5
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