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.
Stomach and hair follicle. (A) The gastric glands of the stomach are subdivided in the pit, isthmus and gland. Lgr5+ cells reside at the bottom and regenerate the epithelium. (B) Multiple stem cell populations are responsible for homeostasis of the adult skin.
