noun
olfactory bulb
Anatomical term for the structure in the brain that processes smell information.
嗅球は匂いの情報を最初に受け取る脳の部位です。
The olfactory bulb is the part of the brain that first receives smell information.
From 嗅 (smell) + 球 (bulb), a direct translation of the English term 'olfactory bulb'.