Term: fin bud mesenchyme
Name: fin bud
Synonyms: fin buds
Definition: Surface structure that develops into a paired fin.
Ontology: Anatomy Ontology [ZFA:0001383]

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