Term: central canal tight junction
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: tight junction
Synonyms: occluding cell junction, occluding junction
Definition: A cell-cell junction that seals cells together in an epithelium in a way that prevents even small molecules from leaking from one side of the sheet to the other.
Ontology: GO: Cellular Component [GO:0070160]    QuickGO    AmiGO