Brain stem: The stemlike part of the brain that is connected to the spinal cord. Or conversely, the extension of the spinal cord up into the brain. The brain stem is small but important. It manages messages going between the brain and the rest of the body, and it also controls basic body functions such as breathing, swallowing, heart rate, and blood pressure. The brain stem also controls consciousness and determines whether one is awake or sleepy.
The brain stem consists of the midbrain, pons, and medulla oblongata.
Library > Literature & Language > Dictionary also brain·stem ( brÄn ' stÄ•m ' ) n. The portion of the brain, consisting of the medulla oblongata, pons Varolii, and ...
Researchers for the first time have turned human skin cells into working brain cells, completely bypassing the need for stem cells, they say. The achievement comes a ...
The brain stem plays a vital role in basic attention, arousal, and consciousness. All information to and from our body passes through the brain stem on the way to or ...
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