| Name: | epithelium |
|---|---|
| Synonyms: | |
| Definition: | Portion of tissue, that consists of one or more layers of epithelial cells connected to each other by cell junctions and which is underlain by a basal lamina. |
| Ontology: | Anatomy Ontology [ZFA:0001486] |
| Name: | basement membrane |
|---|---|
| Synonyms: | basal lamina, basement lamina, lamina densa |
| Definition: | A collagen-containing extracellular matrix consisting of a thin layer of dense material found in various animal tissues interposed between the cells and the adjacent connective tissue. It consists of the basal lamina plus an associated layer of reticulin fibers. |
| Ontology: | GO: Cellular Component [GO:0005604] QuickGO AmiGO |