Term: supraoccipital anatomical margin
Name: supraoccipital
Synonyms:
Definition: Large shield-shaped unpaired median cartilage bone that contact the parietal anteriorly, and the exoccipital and epiotic laterally. Forms the posterodorsal most point of the cranium. The supraoccipital usually bears a crest that extends posterodorsally.
Ontology: Anatomy Ontology [ZFA:0000595]

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]