Term: caudal fin joint
Name: caudal fin
Synonyms: tail, tail fin
Definition: Fin that is the most posterior median fin. It is composed of a complex of three modified centra and modified neural and hemal arches and spines.
Ontology: Anatomy Ontology [ZFA:0001058]

Name: joint
Synonyms: joints
Definition: Anatomical cluster which consists of two or more adjacent bones or cartilages, which may be interconnected by various types of tissue.
Ontology: Anatomy Ontology [ZFA:0001596]