Featured Science and Innovations

Cardiomyocyte Undergoing Cell Division

Adult cardiomyocyte (heart muscle cell) undergoing cell division. The cell membrane is pinched and the cell is about to separate into two new cells. The cell nuclei are shown in light blue, and the cleavage furrow -- the structure that pinches the outer cell membrane -- is shown in yellow. [Image courtesy Felix Engel, PhD; copyright 2004]

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