大だい脳のう脚きゃくMeanings1nouncerebral peduncleanatomyAnatomical term referring to the paired bundles of nerve fibers on the ventral surface of the midbrain.大だい脳のう脚きゃくは中ちゅう脳のうの腹ふく側そくにある神しん経けい線せん維いの束たばです。The cerebral peduncles are bundles of nerve fibers on the ventral side of the midbrain.