EOG8D81KK GO:0005643 25/86 nuclear pore cellular_component "Any of the numerous similar discrete openings in the nuclear envelope of a eukaryotic cell, where the inner and outer nuclear membranes are joined." [ISBN:0198547684] EOG8D81KK GO:0006810 24/86 transport biological_process "The directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter or pore." [GOC:dph, GOC:jl, GOC:mah] EOG8D81KK GO:0007184 1/86 SMAD protein import into nucleus biological_process "The directed movement of a SMAD proteins from the cytoplasm into the nucleus. Pathway-restricted SMAD proteins and common-partner SMAD proteins are involved in the transforming growth factor beta receptor signaling pathways." [GOC:dph] EOG8D81KK GO:0005635 1/86 nuclear envelope cellular_component "The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space)." [ISBN:0198547684]