Medical term:
rhinencephalon
rhinencephalon
[ri″nen-sef´ah-lon]1. the part of the brain once thought to be concerned entirely with olfactory mechanisms, including olfactory nerves, bulbs, tracts, and subsequent connections (all olfactory in function) and the limbic system (not primarily olfactory in function); homologous with olfactory portions of the brain in certain other animals.
2. the area of the brain consisting of the substantia perforata rostralis, bandaletta diagonalis (Broca), area subcallosa, and gyrus paraterminalis.
3. one of the parts of the embryonic telencephalon.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
rhi·nen·ceph·a·lon
(rī'nen-sef'ă-lon),A largely archaic, and now rarely used, term denoting the parts of the cerebral hemisphere directly related to the sense of smell: the olfactory bulb, olfactory peduncle (together still listed as the first cranial nerve or olfactory nerve even though they form part of the central nervous system), olfactory tubercle, and olfactory or piriform cortex including the cortical nucleus of the amygdala. The term originally also encompassed the hippocampus, the entire amygdala, and the fornicate gyrus, all of which are no longer believed to be specifically related to the sense of smell.
See also: limbic system.
See also: limbic system.
Synonym(s): smell-brain
[rhin- + G. enkephalos, brain]
Farlex Partner Medical Dictionary © Farlex 2012
rhinencephalon
(rī′nĕn-sĕf′ə-lŏn′, -lən)n. pl. rhinencepha·la (-lə)
The olfactory region of the brain, located in the cerebrum.
rhi′nen·ce·phal′ic (-sə-făl′ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
rhi·nen·ceph·a·lon
(rīn'en-sef'ă-lon)Collective term denoting the parts of the cerebral hemisphere directly related to the sense of smell: the olfactory bulb, olfactory peduncle, olfactory tubercle, and olfactory or piriform cortex including the cortical nucleus of the amygdala.
See also: limbic system
See also: limbic system
[rhin- + G. enkephalos, brain]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
rhinencephalon
The part of the brain concerned with smell.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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