ALL meanings of brain stem
brain stem
B b - noun brain stem the portion of the brain that is continuous with the spinal cord and comprises the medulla oblongata, pons, midbrain, and parts of the hypothalamus, functioning in the control of reflexes and such essential internal mechanisms as respiration and heartbeat. 1
- noun brain stem base of the brain 1
- noun brain stem (neuroanatomy) The part of the brain that connects the spinal cord to the forebrain and cerebrum. 0