Term: central canal anatomical region
Name: central canal
Synonyms: canalis centralis, neural lumen
Definition: Spinal cord structure that is part of the ventricular system and is filled with cerebral-spinal fluid and runs the length of the spinal cord.
Ontology: Anatomy Ontology [ZFA:0000938]

Name: anatomical region
Synonyms:
Definition: A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm.
Ontology: Spatial Ontology [BSPO:0000070]