Cerebellar NucleiCell NucleusActive Transport, Cell NucleusNucleus AccumbensThalamic NucleiSolitary NucleusCell Nucleus ShapeCytoplasmCochlear NucleusRaphe NucleiNuclear Transfer TechniquesSeptal NucleiArcuate NucleusCaudate NucleusParaventricular Hypothalamic NucleusHeLa CellsNuclear ProteinsNuclear EnvelopeCloning, OrganismChromatinCell Nucleus SizeSuprachiasmatic Nucleus