Term: glossopharyngeal placode dorsal region
Name: glossopharyngeal placode
Synonyms: petrosal placode
Definition: Epibranchial placode that gives rise to the glossopharyngeal ganglia. Associated with the third pharyngeal arch.
Ontology: Anatomy Ontology [ZFA:0001296]

Name: dorsal region
Synonyms:
Definition: Anatomical region dorsally located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000079]