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| Description: When lanthanum was injected into the bloodstream of a rat, it diffused between the cells in the region up to a tight junction but could not diffuse past the junction to the other side of the cell layer.
Picture Stats: Views: 1173 Filesize: 93.55kB Height: 570 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=290 Keywords: An electron micrograph from an experiment demonstrating the function of a tight junction |