Term Name:	heterochromatin boundary formation
Synonyms:	maintenance of heterochromatin boundaries, negative regulation of extent of heterochromatin assembly, negative regulation of extent of heterochromatin formation, negative regulation of heterochromatin spreading, regulation of extent of heterochromatin assembly, regulation of extent of heterochromatin formation, regulation of heterochromatin spreading
Definition:	A process that forms a boundary that limits the spreading of heterochromatin along a chromosome.
Ontology:	GO: Biological Process [GO:0033696]    QuickGO    AmiGO