Term: dorsal fin fold posterior side
Name: dorsal fin fold
Synonyms:
Definition: Region of the median fin fold that develops into the dorsal fin.
Ontology: Anatomy Ontology [ZFA:0000102]

Name: posterior side
Synonyms: caudal, posterior
Definition: An anatomical region that is the entire part of an anatomical structure posterior to a transverse plane and bounded on one side by the same transverse plane.
Ontology: Spatial Ontology [BSPO:0000056]