||Thal`a*men*ceph"a*lon (?), n. [NL. See
Thalamus, and Encephalon.] (Anat.) The segment of
the brain next in front of the midbrain, including the thalami, pineal
gland, and pituitary body; the diencephalon; the interbrain.
||Thal`a*men*ceph"a*lon (?), n. [NL. See
Thalamus, and Encephalon.] (Anat.) The segment of
the brain next in front of the midbrain, including the thalami, pineal
gland, and pituitary body; the diencephalon; the interbrain.