smell-brain

noun

smell-brain

noun

1

Anatomy, Medicine, Neuroanatomy, Neurology, Neuroscience, Sciences No plural The part of the brain involved with smelling.

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.1992, Sandra Ackerman, Discovering the Brain:

Synonyms: rhinencephalon

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.