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arachnoid
[ uh-rak-noid ]
adjective
- resembling a spider's web.
- of or belonging to the arachnids.
- Anatomy. of or relating to the arachnoid membrane.
- Botany. formed of or covered with long, delicate hairs or fibers.
noun
- an arachnid.
- Anatomy. the serous membrane forming the middle of the three coverings of the brain and spinal cord.
arachnoid
/ ə-răk′noid′ /
- The delicate membrane that encloses the spinal cord and brain and lies between the pia mater and dura mater.
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Word History and Origins
Origin of arachnoid1
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Example Sentences
The arachnoid has also shown slight congestion, and in other cases the membranes showed a slight thickening.
From Project Gutenberg
The lymph was purely basal, solely on the arachnoid, not in the fissures or sulci.
From Project Gutenberg
In quite young specimens the collector will notice two well defined arachnoid veils, the lower one being much more dense.
From Project Gutenberg
From its resemblance to a spider's web such a veil is said to be arachnoid.
From Project Gutenberg
Let them form arachnoid associations, spinsters and spiders would be a good motto.
From Project Gutenberg
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