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Why can't brain cells reproduce?

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Many mammalian brain cells are able to reproduce, including some neurons in the olfactory bulb and in the hippocampus. However, most neurons in the brain are terminally differentiated. This means that they are locked into mitotic interphase, between cell divisions. read more

It does seem weird that we can't replace nerve cells that get damaged.The answer is basically that having nerve cells reproduce can do more harm than good. Each nerve cell has a specific place in our nervous system. read more

Some brain cells, in very select parts of the brain, do reproduce. Scientists discovered adult neurons in the hippocampus and ventricles of the brain are capable of cellular mitosis and transformation from progenitor cells, shattering the dogma that the number of adult neurons in the brain is fixed after birth. read more

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