noun
olfactory organ
Anatomical term for the organs responsible for the sense of smell, such as the nose and olfactory epithelium.
嗅覚器官は鼻腔の上部に位置している。
The olfactory organ is located in the upper part of the nasal cavity.
嗅覚 refers to the sense of smell itself, while 嗅覚器官 refers to the physical organs that enable that sense.
Compound of 嗅覚 (sense of smell) and 器官 (organ). The exact historical derivation is uncertain, but the term is a straightforward modern anatomical compound.