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Amygdaloid

Amygdaloid

(Science: chemical) a variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, especially. Agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.

Origin: gr. Almond: cf. F. Amygdaloide.


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... now being partly elucidated. We can accept the view of Bard and Mountcastle (1948) according to which the neocortex, the cingulate cortex, the amygdaloid nucleus and the pyriform lobe correspond to zones of the inhibition of pain and anger reactions. Their influence would be transmitted as ...

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