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The distribution of cellular turnover in the human body
Ron Sender 1, Ron Milo 2
Abstract:
We integrated ubiquity, mass and lifespan of all major cell types to achieve a comprehensive quantitative description of cellular turnover. We found a total cellular mass turnover of 80 ± 20 grams per day, dominated by blood cells and gut epithelial cells. In terms of cell numbers, close to 90% of the (0.33 ± 0.02) × 10^12 cells per day turnover was blood cells.
