Term: ventral fin fold mesenchyme
Name: ventral fin fold
Synonyms: anal fin fold, tail fin fold, ventral fin
Definition: Region of the median fin fold that develops into the anal and caudal fin.
Ontology: Anatomy Ontology [ZFA:0001069]

Name: mesenchyme
Synonyms:
Definition: A mesh-like cell arrangement, less compact than an epithelium.
Ontology: Anatomy Ontology [ZFA:0000393]