A stem cell is a generic cell that can make exact copies of itself indefinitely. A stem cell has the ability to produce specialized cells for various tissues in the body, such as heart muscle, brain tissue, and liver tissue. Stem cells can be saved and used as a later date to produce specialized cells, when needed.
There are two basic types of stem cells:
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Source: ADAM Encyclopedia
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Source: ADAM Encyclopedia
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Source: HealthCentral Encyclopedia
A stroke occurs when the arterial blood flow leading to or in the brain becomes blocked or ruptures.Blood carries oxygen and nutrients to the neurons... Read more »