[ rahy-nen-sef-uh-lon, -luh n ]
/ ˌraɪ nɛnˈsɛf əˌlɒn, -lən /

noun, plural rhi·nen·ceph·a·lons, rhi·nen·ceph·a·la [rahy-nen-sef-uh-luh] /ˌraɪ nɛnˈsɛf ə lə/. Anatomy.

the part of the cerebrum containing the olfactory structures.

Origin of rhinencephalon

First recorded in 1840–50; rhin- + encephalon
Related formsrhi·nen·ce·phal·ic [rahy-nen-suh-fal-ik] /ˌraɪ nɛn səˈfæl ɪk/, rhi·nen·ceph·a·lous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for rhinencephalon


/ (ˌraɪnɛnˈsɛfəˌlɒn) /

noun plural -lons or -la (-lə)

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

Derived Formsrhinencephalic (ˌraɪnɛnsɪˈfælɪk), adjective

Word Origin for rhinencephalon

C19: from rhino- + encephalon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for rhinencephalon


[ rī′nĕn-sĕfə-lŏn′, -lən ]

n. pl. rhi•nen•ceph•a•la (-lə)

The olfactory region of the brain, located in the cerebrum.

Related formsrhi′nen•ce•phalic (-sə-fălĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.