[1] : WordNet (r) 2.0

brain stem
     n : the part of the brain continuous with the spinal cord and
         comprising the medulla oblongata and pons and midbrain
         and parts of the hypothalamus syn: brainstem, brain-stem
see also:
brainstem brain-stem 

Brain Stem >> B Words
Brain Stem, definition of term: Brain Stem
brain+stem_pag1.html

Brain >> B Words
Brain, definition of term: Brain
brain_pag1.html

Brain Tumor >> B Words
Brain Tumor, definition of term: Brain Tumor
brain+tumor_pag1.html

Brain Drain >> B Words
Brain Drain, definition of term: Brain Drain
brain+drain_pag1.html