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[rahy-nen-sef-uh-lon, -luh n] /ˌraɪ nɛnˈsɛf əˌlɒn, -lən/
noun, plural rhinencephalons, rhinencephala
[rahy-nen-sef-uh-luh] /ˌraɪ nɛnˈsɛf ə lə/ (Show IPA).
the part of the cerebrum containing the olfactory structures.
Origin of rhinencephalon
First recorded in 1840-50; rhin- + encephalon
Related forms
[rahy-nen-suh-fal-ik] /ˌraɪ nɛn səˈfæl ɪk/ (Show IPA),
rhinencephalous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for rhinencephalon


noun (pl) -lons, -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 Forms
rhinencephalic (ˌraɪnɛnsɪˈfælɪk) adjective
Word Origin
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
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rhinencephalon in Medicine

rhinencephalon rhi·nen·ceph·a·lon (rī'něn-sěf'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-fāl'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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