(subclass CellMembraneInternal CellMembrane) | VirusProteinAndCellPart.kif 481-481 | Internal cell membrane is a subclass of cell membrane |
(subclass Endomembrane CellMembraneInternal) | VirusProteinAndCellPart.kif 1053-1053 | Endomembrane is a subclass of internal cell membrane |