piriform lobe

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Related to piriform lobe: rhinencephalon
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Noun1.piriform lobe - pear-shaped neural structure on either side of the brain in the rhinencephalon
neural structure - a structure that is part of the nervous system
olfactory brain, 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