| Name: | intestinal epithelium |
|---|---|
| Synonyms: | intestine epithelium, villous epithelium |
| Definition: | Simple columnar epithelium that lines the intestine, sometimes pseudostratified, with absorptive brush-border cells and mucous goblet cells clearly visible. |
| Ontology: | Anatomy Ontology [ZFA:0005124] |
| Name: | bicellular tight junction |
|---|---|
| Synonyms: | zonula occludens |
| Definition: | An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes. |
| Ontology: | GO: Cellular Component [GO:0005923] QuickGO AmiGO |