Organizing center
# Organizing center

Organizing center may refer to:

* Microtubule organizing center
* Spemann's Organizer
* Certain groups of cells in mesoderm formation, see FGF and mesoderm formation
* Primitive streak in Amniotes responsible for gastrulation
* a small cell group underneath the stem cells in Arabidopsis and other plants
* animal cap cells treated with activin
