paleencephalon 原脑
paleencephalon[ noun ]
the more primitive parts of the brain phylogenetically; most structures other than the cerebral cortex
<noun.body>
paleencephalon \paleencephalon\ n.
The more primitive parts of the brain phylogenetically; it
includes most structures other than the cerebral cortex.
Syn: paleoencephalon, palaeoencephalon.
[WordNet 1.5]