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limbic system
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limbic system

lim·bic sys·tem (plural lim·bic sys·tems)


noun 
Definition:
 
brain nuclei system: an interconnected system of brain nuclei associated with basic needs and emotions such as hunger, pain, pleasure, satisfaction, sex, and instinctive motivation. The most primitive part of the brain, it is situated close to the inner wall of each cerebral hemisphere and includes the brain system concerned with the sense of smell.

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