Found 2 items, similar to mesencephalon.
English → English (WordNet) Definition: mesencephalon mesencephalon n : the middle portion of the brain [syn: midbrain]
English → English (gcide) Definition: Mesencephalon Mesencephalon \Mes`en*ceph"a*lon\, n. [NL. See Meso- and Encephalon.] (Anat.) The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain. [1913 Webster]