Term: brain anatomical surface
Name: brain
Synonyms: brain structure
Definition: Cavitated compound organ which is comprised of gray and white matter and surrounds the cerebral ventricular system.
Ontology: Anatomy Ontology [ZFA:0000008]

Name: anatomical surface
Synonyms: surface
Definition: A 2D surface of an anatomical continuant.
Ontology: Spatial Ontology [BSPO:0000005]