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March 20, 2013
Transmission electron microscope image of a thin section of Coleus Blumei shoot apex. Image shows cross sections of plasmadermata. The plasmadermata appear as narrow canals lined by plasma membrane and traversed by a tubule of endoplasmic reticulum called a desmotubule. The plasmadermata is part of the transport system between cells. Lamiales Lamiaceae (mint family) Coleus Blumei JEOL 100CX TEM Credit: Louisa Howard, Charles Daghlian

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