Brainstem: The lowest part of the brain which merges with the spinal cord and provides the major route by which the upper realms of the brain send information to, and receives information from, the spinal cord and peripheral nerves. The brainstem consists of the medulla oblongata, midbrain, and pons. All but two of the 12 cranial nerves originate in the brainstem. The brainstem influences basic processes such as alertness, breathing, blood pressure, and heart rate.
Library > Literature & Language > Dictionary also brain·stem ( brÄn ' stÄ•m ' ) n. The portion of the brain, consisting of the medulla oblongata, pons Varolii, and ...
The brainstem is the region of the brain that connects the cerebrum with the spinal cord. It consists of the midbrain, medulla oblongata, and the pons.
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The Brainstem . Click On Any Label To Go To A Definition or Scroll Down To View All Definitions. Brainstem - The lower extension of the brain where it connects to the ...
noun 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 ...