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  • Cells That Never Divide: Understanding Mitosis-Sparing Cells
    There are a few types of cells that do not undergo mitosis:

    * Mature nerve cells (neurons): Once neurons fully develop, they generally do not divide. This is because they are highly specialized and have complex connections with other cells.

    * Mature muscle cells (myocytes): Similar to neurons, muscle cells lose their ability to divide after reaching maturity.

    * Red blood cells (erythrocytes): Red blood cells lose their nucleus and other organelles during development, which means they cannot undergo mitosis.

    It's important to note that while these cells don't typically undergo mitosis, there are exceptions. For example, under specific conditions, some neurons can divide, and muscle cells can regenerate to some extent.

    Other notable exceptions:

    * Some cells in the eye, like lens cells, are also considered to be terminally differentiated and do not divide.

    * Some cells in the heart, while technically having the potential for mitosis, rarely divide in adulthood.

    Therefore, while these cells generally don't undergo mitosis, there are some exceptions and ongoing research that may change our understanding of their division potential.

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