Arachnoid Meaning in English
word
Definition
Arachnoid usually refers to something relating to spiders, or more specifically, the thin, web-like membrane covering the brain and spinal cord in humans and animals.
Usage & Nuances
Used mainly in medical and scientific contexts, especially when talking about the 'arachnoid membrane' in anatomy. Less commonly used to just mean 'spider-like' unless in descriptive biology. Do not confuse with 'arachnid' (spider or similar creature).
Example Sentences
The arachnoid membrane helps protect the brain.
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Doctors can see the arachnoid layer in brain scans.
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The arachnoid is one of three membranes covering the brain.
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An infection in the arachnoid can cause serious health problems.
natural
The surgeon carefully avoided the arachnoid during the operation.
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Some medicines can't cross the arachnoid to reach the brain.
natural