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Related to Arachnoid granulations: arachnoid trabeculae
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Synonyms for arachnoid

the middle of the 3 meninges

relating to or resembling a member of the class Arachnida

References in periodicals archive ?
Arachnoid granulations, especially large ones within the transverse and sigmoid sinuses, are also calcified in middle-aged and older people with characteristic appearances.
According to the other theory, arachnoid granulations that do not get a venous drain during embryonic development come to lie in a blind end against the inner bony surface of the skull.
Communicating hydrocephalus is caused by diminished resorption of CSF at the arachnoid granulations, leading to an expansion of both the ventricular system and the subarachnoid space.
Transependymal drainage of CSF, followed by medullary venous drainage, supervenes as arachnoid granulations are not fully matured in the neonate.
Acquired encephaloceles occur as a result of chronic ear disease, aberrant arachnoid granulations, trauma, and iatrogenic causes.
Arachnoid granulations simulating osteolytic lesions of the calvarium.