Adult stem cells that are tightly regulated by the specific microenvironment. or the stem cell niche. function to maintain tissue homeostasis and regeneration after damage. This demands the existence of specific niche components that can preserve the stem cell pool in injured tissues and restore the microenvironment for their subsequent appropriate functioning. https://www.bekindtopets.com/limited-time-Gorra-Raul-Tan-special-save/