Term: inner ear posterior-most region
Name: inner ear
Synonyms: ear, otic capsule, otocyst
Definition: The auditory (hearing) and vestibular (balance) organ of the fish, equivalent to the inner ear of amniotes. (See Anatomical Atlas entry for ear by T. Whitfield.)
Ontology: Anatomy Ontology [ZFA:0000217]

Name: posterior-most region
Synonyms: posterior-most, posteriormost
Definition:
Ontology: Spatial Ontology [BSPO:0000037]