Term Name:	rDNA protrusion
Synonyms:	ribosomal DNA protrusion
Definition:	Any of the tandem arrays of rDNA localized at the periphery of the nucleus and protruding into the nucleolus, and associated proteins. May be visible as a single or double spot by DAPI staining.
Ontology:	GO: Cellular Component [GO:0030875]    QuickGO    AmiGO