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Cortex: meaning, definitions and examples

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cortex

 

[ ˈkɔːrteks ]

Noun
Context #1 | Noun

brain function

The outer layer of the cerebrum is called the cortex. It plays a key role in memory, attention, perception, thought, language, and consciousness.

Synonyms

cerebrum, grey matter.

Which Synonym Should You Choose?

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Word Description / Examples
cortex

The term 'cortex' is used in a scientific or medical context to refer to the outer layer of an organ, particularly the brain. It’s commonly discussed in neurobiology or psychology when talking about brain functions.

  • The cerebral cortex is involved in many complex brain functions, including memory and attention.
  • Studies show that the prefrontal cortex is crucial for decision making.
cerebrum

The word 'cerebrum' is used in a formal or scientific setting when specifically distinguishing the largest part of the brain responsible for voluntary actions and high-level brain functions. It is often used in discussions about brain anatomy.

  • The cerebrum is divided into two hemispheres, each controlling different functions of the body.
  • Damage to the cerebrum can lead to significant cognitive impairments.
grey matter

The term 'grey matter' is used in both everyday language and scientific communities to refer to the regions of the brain and spinal cord that contain neuron cell bodies. It is often mentioned in the context of brain health and intellectual capacity.

  • Regular physical exercise is believed to increase the amount of grey matter in the brain.
  • MRI scans revealed a higher density of grey matter in certain areas of the brain.

Examples of usage

  • The cortex is responsible for processing sensory information.
  • Damage to the cortex can result in cognitive impairments.
Context #2 | Noun

anatomy

The cortex is the outer layer of an organ, tissue, or structure.

Synonyms

outer layer, surface.

Which Synonym Should You Choose?

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Word Description / Examples
cortex

This term is used primarily in scientific and medical contexts to refer to the outer layer of an organ or body part, such as the brain or kidney.

  • The cerebral cortex is responsible for many complex brain functions, including thinking and decision-making
outer layer

This phrase is more general and can be used in everyday language to describe the external covering or a layer of something, whether it's biological, geological, or artificial.

  • The outer layer of the Earth is called the crust
surface

This term is very broad and can refer to the top layer of almost anything, from objects to spaces. It is suitable for both everyday speech and scientific contexts.

  • Make sure the surface of the table is clean before you start working on it

Examples of usage

  • The adrenal cortex produces hormones.
  • The renal cortex filters blood in the kidneys.

Translations

Translations of the word "cortex" in other languages:

🇵🇹 córtex

🇮🇳 प्रांतस्था

🇩🇪 Kortex

🇮🇩 korteks

🇺🇦 кора головного мозку

🇵🇱 kora mózgowa

🇯🇵 皮質 (ひしつ)

🇫🇷 cortex

🇪🇸 corteza

🇹🇷 korteks

🇰🇷 피질

🇸🇦 قشرة الدماغ

🇨🇿 kůra

🇸🇰 kôra

🇨🇳 皮质 (pízhí)

🇸🇮 korteks

🇮🇸 heilabörkur

🇰🇿 қыртыс

🇬🇪 კორტექსი

🇦🇿 korteks

🇲🇽 corteza

Etymology

The word 'cortex' comes from the Latin word 'cortex' meaning bark or rind. It was first used in English in the 17th century to refer to the outer layer of an organ or structure. Over time, it became commonly associated with the outer layer of the brain, known as the cerebral cortex.

Word Frequency Rank

At #6,325 in frequency, this word belongs to advanced vocabulary. It's less common than core vocabulary but important for sophisticated expression.