Term Name:	diffuse secondary thickening
Synonyms:
Definition:	Lateral growth of the older parts of a stem that occurs when the central parenchyma cells and the not yet fully differentiated fiber cells of the bundle sheaths continue to undergo cell division and expansion for a long period of time, leading to an increase in girth of the stem.
Ontology:	GO: Biological Process [GO:0080193]    QuickGO    AmiGO