![olfactory bulb olfactory bulb](https://www.tekportal.net/wp-content/uploads/2018/12/olfactory-bulb.jpg)
noun Anatomy.
- the enlarged terminal part of each olfactory lobe from which the olfactory nerve originates.
noun
- the anterior and slightly enlarged end of the olfactory tract, from which the cranial nerves concerned with the sense of smell originate
n.
- The bulblike distal end of the olfactory lobe where the olfactory nerves begin.