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Main Parts of the Brain and Their Functions. At a high level, the brain can be divided into the cerebrum, brainstem and cerebellum. Cerebrum. The cerebrum (front of brain) comprises gray matter (the cerebral cortex) and white matter at its center. The largest part of the brain, the cerebrum initiates and coordinates movement and regulates ...
Oct 7, 2024 · The cerebral cortex, also referred to as gray matter, covers the cerebrum, which is the largest portion of the brain. The cerebral cortex is responsible for integrating sensory impulses, directing motor activity, and controlling higher intellectual functions. In humans, the cerebral cortex is several centimetres thick and has a surface area of ...
Dendrites are the part of a nerve cell that receives the chemical message from another cell. Your cerebral cortex is gray because that section of the nerve lacks the fatty covering material called myelin. White matter in your brain is made up of bundles of axons, the long center section of a nerve cell that’s wrapped in myelin. The myelin ...
Jan 8, 2024 · The highest concentration of grey matter is in the cerebellum of the brain, and grey matter extends into the spinal cord as well. “Grey matter refers to the areas of the brain that contain large concentrations of neurons,” says Andrew Tarulli, MD , neurologist and chairman of the department of neuroscience at Overlook Medical Center and director of the neuroscience service for Atlantic ...
Oct 30, 2023 · Cortex cerebri. Synonyms: Brain cortex, Cortical grey matter. The cerebral cortex (cortex of the brain) is the outer grey matter layer that completely covers the surface of the two cerebral hemispheres. It is about 2 to 4 mm thick and contains an aggregation of nerve cell bodies. This layer is thrown into complex folds, with elevations called ...
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Mar 19, 2023 · White matter and grey matter are both essential parts of your brain and spinal cord. Approximately 40% of your brain consists of grey matter and 60% is made of white matter. Grey matter consists of neuronal cell bodies and their dendrites. The dendrites are short protrusions (like little fingers) that communicate with neurons close by.
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Jul 24, 2023 · The central nervous system is made up of grey matter and white matter. However, grey matter plays the most significant part in allowing humans to function normally daily.[1] Grey matter makes up the outer most layer of the brain. The white matter and grey matter are similar as they are both essential sections of both the brain as well as the spinal cord.[2] The grey matter gets its grey tone ...
