Tissue microenvironment maintaining stem-cell self-renewal + quiescence (Schofield 1978). Signals: Wnt, Notch, BMP, direct contact with niche cells + ECM.
Tissue microenvironment maintaining stem-cell self-renewal + quiescence (Schofield 1978). Signals: Wnt, Notch, BMP, direct contact with niche cells + ECM.