| Name: | lens | 
|---|---|
| Synonyms: | lenses | 
| Definition: | Portion of tissue that is a transparent, biconvex structure located in the eye through which light is focused. | 
| Ontology: | Anatomy Ontology [ZFA:0000035] | 
| Name: | anterior margin | 
|---|---|
| Synonyms: | |
| Definition: | Anatomical margin that is located on the anterior side of a body or body part. | 
| Ontology: | Spatial Ontology [BSPO:0000671] |