Figure 4. The age-associated alterations of stem cells are driven to a large extent by adaptations to a degrading niche.
Adaptations of stem cells found in aged organisms are highlighted in red.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.