A surface structure that will eventually grow to form a barbel. The primordium is rich in taste buds. The final location for taste buds present in the primordium is the distal tip of the mature barbel.
Comment:
[provenance-note] "This class was sourced from an external ontology (teleost_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon" xsd:string {source="http://purl.obolibrary.org/obo/tao.owl"}