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Merkel Cells Respond to Touch

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Uploaded on Apr 3, 2014

New findings from Columbia researchers reveal how cells in the skin, called Merkel cells, are involved in our ability to feel fine details and textures. In this movie of an isolated Merkel cell, the cell is touched three times and the cell's electrical reaction (the opening of calcium channels in the cell membrane) is recorded. The experiment shows for the first time that Merkel cells are capable of converting touch into an electrical signal. Movie by Aislyn Nelson.

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