The fine structure of the guard cell of Allium Cepa L.
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概要
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The guard cells of Allium Cepa L. were observed with an electron microscope. They contained many mitochondria, elements of endoplasmic reticulum and dictyosomes. Neucleus and vacuoles occupied a large proportion of the cell volume, the latter were densely stained and prominent. Small chloroplasts having highly reduced grana system were present in the guard cells, and they did not contain starch grains. Plasmodesmata were not present in the common cell wall between the guard cells and epidermal cells.
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