smell-brain

• smell brain

smell-brain (plural not attested)

1. (neuroanatomy) The part of the brain involved with smelling.
   • 1992, Sandra Ackerman, Discovering the Brain:

     This system is a fairly old part of the brain and one that humans share with many other vertebrates; in reptiles, it is known as the rhinencephalon, or “smell-brain,” because it reacts primarily to signals of odor.

• rhinencephalon