Word: Arachnoid
Speech Type: Noun
Etymology:
mid 18th century: from modern Latin arachnoides, from Greek arakhnoeidēs ‘like a cobweb’, from arakhnē ‘spider’
Audio Pronunciation:
Phonetic Spelling:
əˈraknɔɪd
Dialects: British English
Definition:
a fine, delicate membrane, the middle one of the three membranes or meninges that surround the brain and spinal cord, situated between the dura mater and the pia mater.
Short Definition:fine, delicate membrane, middle one of three membranes or meninges that surround brain and spinal cord
Variant Forms:
- arachnoid membrane
- arachnoid mater
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