Term: lens anatomical margin
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: anatomical margin
Synonyms: edge, margin
Definition: Fiat anatomical region extending a short distance from the boundary of an object inwards.
Ontology: Spatial Ontology [BSPO:0000006]