| Term | Definition |
| apical domain | microvilli |
| apical domain | glycolipids |
| apical domain | GPI-proteins (eg NaKATPase) |
| apical domain | transporters |
| apical domain | glycocalix |
| Junctional complexes | tight junctions |
| Junctional complexes | adherens junctions |
| Baso-lateral domain | adhesion molecules |
| Baso-lateral domain | gap junctions |
| Baso-lateral domain | desmosomse |
| Baso-lateral domain | transporters (eg Na channel) |
| Baso-lateral domain | Integrins |
| Baso-lateral domain | secretion of ECM |
| GPI-proteins | Glycosylphosphatidylinositol. The two fatty acids within the hydrophobic phosphatidyl-inositol group anchor the protein to the cell membrane. |
| glycocalyx | external polysaccharide matrix of epithelium, bacterial, gametic cells |
| integrins | cell surface receptors that interact with the extracellular matrix (ECM) and mediate various intracellular signals |