rhinencephalon

rhinencephalon /rhin·en·ceph·a·lon/ (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. formerly, the area of the brain comprising the anterior perforated substance, band of Broca, subcallosal area, and paraterminal gyrus.

3. one of the portions of the embryonic telencephalon.

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rhi·nen·ceph·a·lon (rnn-sf-ln, -ln)

n. pl. rhi·nen·ceph·a·la (-l)

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

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rhinen·ce·phalic (-s-flk) adj.

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rhinencephalon

[rī′nensef′əlon] pl. rhinencephala

Etymology: Gk, rhis, nose, encephalon, brain

the part of each cerebral hemisphere that contains the limbic system, which is associated with the emotions. See also limbic system. rhinencephalic, adj.

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rhinencephalon(rīˑ·nen·seˑ·f·lnˑ),

n the area positioned in the front of the brain in which structures relating to the perception of odor or scent are located.

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rhinencephalon

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 lower animals.

2. one of the parts of the embryonic telencephalon.