Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to rhinencephalon: diencephalon


 (rī′nĕn-sĕf′ə-lŏn′, -lən)
n. pl. rhi·nen·ceph·a·la (-lə)
The olfactory region of the brain, located in the cerebrum.

rhi′nen·ce·phal′ic (-sə-făl′ĭk) adj.


n, pl -lons or -la (-lə)
(Anatomy) anatomy the parts of the brain, in both cerebal hemispheres, that in the early stages of evolution were concerned with the sense of smell. It includes the olefactory bulb and tract and the regions of the limbic system
[C19: from rhino- + encephalon]
rhinencephalic adj


(ˌraɪ nɛnˈsɛf əˌlɒn, -lən)

n., pl. -lons, -la (-lə).
the part of the cerebrum containing the olfactory structures.
rhi`nen•ce•phal′ic (-səˈfæl ɪk) rhi`nen•ceph′a•lous, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rhinencephalon - a center in the cerebral hemispheres that governs the sense of smell in lower animals; in humans it seems to mediate complex emotional behavior
nerve center, nerve centre, center, centre - a cluster of nerve cells governing a specific bodily process; "in most people the speech center is in the left hemisphere"
piriform area, piriform lobe, pyriform area, pyriform lobe - pear-shaped neural structure on either side of the brain in the rhinencephalon
olfactory bulb - one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities
References in periodicals archive ?
Neurofibrillary tangles and tau accumulation in the rhinencephalon may help to explain this phenomenon [37].
rhinencephalon bodies brain do, nose-help niche smelly brain region
Kluver-Bucy syndrome (KBS), a rare neurobehavioral syndrome, was first described in 1939 by Kluver and Bucy in rhesus monkeys after the removal of greater portions of both temporal lobes and rhinencephalon (1).