(subclass CellMembraneInternal CellMembrane) | VirusProteinAndCellPart.kif 482-482 | Internal cell membrane is a subclass of cell membrane |
(subclass Endomembrane CellMembraneInternal) | VirusProteinAndCellPart.kif 1054-1054 | Endomembrane is a subclass of internal cell membrane |