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What Are Stem Cells?
In other words, a cell can become any cell and produce more of the same cells. This is why there is so much excitement and research in this field. It means that with stem cells we can reverse cell damage and repair areas of the body otherwise thought to be irreversibly damaged.
Although stem cells do not serve any one function, many have the capacity to serve any function after they are instructed by other cells to specialize. Every cell in the body, for example, is derived from the first few stem cells formed in the early stages of embryological development.
Therefore, some stem cells can be induced to become any desired cell type. This property makes stem cells powerful enough to regenerate damaged tissue under the right circumstances.
Stem cells are precursors of all cells in the human body. What makes stem cells special is that they regenerate and are malleable (capable of being extended or shaped).
In simple terms, a stem cell can become any in the human body, which is essential in healing. They have the ability to replicate themselves and to replace other tissues in the human body. Some tissue like the scalp and skin, need constant renewal, which would not take place without skin stem cells. When cells cannot regenerate and repair it causes aging and wrinkles.
In the epidermis of the skin there are epidermal stem cells. These cells are located in the basal layer of the epidermis, sebaceous gland, and hair follicle bulge region. The scalp and skin are protected by a layer called the acid mantle.