Definition, Meaning & Synonyms
cortex
noun
/ˈkɔːr.tɛks/
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Definition
The outer layer of an organ or structure, especially in the brain or a plant.
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Examples
- The cerebral cortex plays a crucial role in processing sensory information.
- The outer cortex of the kidney contains nephrons crucial for filtering blood.
- In plants, the cortex stores food and helps in the exchange of gases.
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Meaning
In the context of the brain, the cortex is responsible for many higher-level functions, such as thought, perception, and voluntary movement. In plants, the cortex serves as a protective layer and is involved in the transport of substances.
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Synonyms
- outer layer
- shell
- covering