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Dividing cells of B. napus embryogenic microspores. (A) Metaphasic chromosomes (chr) at the cell equator of a dividing cell. (B) Tubulo-vesicular network (TVN) cell plate (cp) of a dividing cell at early telophase. ct, cytoplasm; cw, cell wall; gs, Golgi stack; mt, microtubules. Bars: 500 nm.
