Olfactory Nerve

**Definition:** The 1st cranial nerve. The olfactory nerve conveys the sense of smell. It is formed by the axons of OLFACTORY RECEPTOR NEURONS which project from the olfactory epithelium (in the nasal epithelium) to the OLFACTORY BULB.

**Tree numbers:** - A08.800.800.120.640

**Synonyms:** - Cranial Nerve I - Fila Olfactoria - Olfactory Fila - Nervus Olfactorius - First Cranial Nerve