| Name: | epithelial cell | 
|---|---|
| Synonyms: | epithelial cells | 
| Definition: | A cell that is usually found in a two-dimensional sheet with a free surface. | 
| Ontology: | Anatomy Ontology [ZFA:0009034] | 
| Name: | microvillus | 
|---|---|
| Synonyms: | microvilli | 
| Definition: | Thin cylindrical membrane-covered projections on the surface of an animal cell containing a core bundle of actin filaments. Present in especially large numbers on the absorptive surface of intestinal cells. | 
| Ontology: | GO: Cellular Component [GO:0005902] QuickGO AmiGO |