olfactory bulb

https://doi.org/10.1351/goldbook.10478

Region of the frontal lobe of the brain, receiving input from neurons of the nasal mucosa and involved in the sense of smell.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 732 [Terms] [Paper]