exogeny

noun5

1. •
   Influence by external forces.
2. •
   Growth on the outside or near the surface.
3. •
   A phase in the life cycle of a hair follicle in which a hair exits the follicle.
4. •
   A division of woody plants whose stem is formed by successive accretions to the outside of the wood under the bark
5. •
   Exogamy.