Vitamin A may play a central role in stem cell biology and wound repair

PHYSorg
Mar 7, 2024, 3:17 pm180 pts
When a child falls off her bike and scrapes her knee, skin stem cells rush to the rescue, growing new epidermis to cover the wound. But only some of the stem cells that will ultimately patch her up are normally dedicated to replenishing the epidermis that protects her body.

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