Olfactory nerve and Olfactory nerves

Olfactory nerve noun - A collective term for numerous olfactory filaments in the nasal mucosa.

Olfactory nerves and olfactory nerve are semantically related. in smelling organ of animate being topic. In some cases you can use "Olfactory nerves" instead a noun phrase "Olfactory nerve".

Olfactory nerve and olfactory nerves are semantically related. Sometimes you can replace phrase "Olfactory nerve" with "Olfactory nerves", this phrases are similar.