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n. pl. a·myg·da·lae (-lē)
Either of two small, almond-shaped masses of gray matter that are part of the limbic system and are located in the temporal lobes of the cerebral hemispheres. Also called amygdaloid nucleus.

[Latin, almond, from Greek amugdalē.]


n, pl -lae (-ˌliː)
(Anatomy) anatomy an almond-shaped part, such as a tonsil or a lobe of the cerebellum
[C16: from Medieval Latin: almond]


(əˈmɪg də lə)

n., pl. -lae (-ˌli)
any of various almond-shaped anatomical parts, as a brain structure of the limbic system that is involved in emotions of fear and aggression.
[1840–45; < New Latin < Latin: almond < Greek amygdálē; compare almond]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amygdala - an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior
temporal ccortex, temporal lobe - that part of the cerebral cortex in either hemisphere of the brain lying inside the temples of the head
basal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement
limbic brain, limbic system, visceral brain - a system of functionally related neural structures in the brain that are involved in emotional behavior


n. amígdala. V.: tonsil


n amígdala (cerebral)
References in periodicals archive ?
In my sophomore year at college, I started on a boring, tedious project, mapping out which parts of the lizard brain took up radioactive samples of hormones that had been previously injected into the bloodstream.
Wetzel says some people have more neutral connections between the lizard brain and the rational brain.
Seth Godin is among those who have written about the lizard brain and its effects on innovation and productivity.
The lizard brain, that prehistoric brain stem that all of us must contend with, doesn't like being laughed at.
For Rothenberg, the company's resident director, lizard brains got very hot about five years ago--the lizard brain inside us all, that is.
Thus, the lizard brain is not unlike the mouse brain with "some extra stuff thrown on top.
The desire to make irrational and hasty decisions is your lizard brain at work and at its worst.