Term: dorsal fin anterior-posterior axis
Name: dorsal fin
Synonyms:
Definition: Median fin that is located on the dorsal surface of the fish.
Ontology: Anatomy Ontology [ZFA:0001173]

Name: anterior-posterior axis
Synonyms: A-P axis, anteroposterior axis, AP axis, cephalocaudal axis, craniocaudal axis, rostral/caudal, rostrocaudal axis
Definition: An axis that extends through an organism from head end to opposite end of body or tail.
Ontology: Spatial Ontology [BSPO:0000013]