noun (plural amygdalae /-lē/)Anatomy
A roughly almond-shaped mass of gray matter inside each cerebral hemisphere, involved with the experiencing of emotions.
- Deep in the brain lies the amygdala, an almond-sized region that generates fear.
- The action of the amygdala in the limbic system functions as an alarm system, eliciting responses to cues in the present as if they were the original danger.
- The MRI scans were used to quantify total volume of the cerebrum, lateral ventricles, hippocampus and amygdala.
Late Middle English: via Latin from Greek amugdalē 'almond'.
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