Term: olfactory placode pioneer neuron
Name: olfactory placode
Synonyms: olfactory placodes
Definition: Neurogenic placode that gives rise to the olfactory neurons that which convey odor information to the CNS.
Ontology: Anatomy Ontology [ZFA:0000048]

Name: pioneer neuron
Synonyms:
Definition: Pioneer neurons establish a pathway in the developing central nervous system and then undergo programmed cell death once the adult axons, which follow them, have made connections with the target site. Thus, they are a transient cell type involved in axon guidance.
Ontology: Anatomy Ontology [ZFA:0009066]