arachnoid granulations

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arachnoid granulations,

clumps of arachnoid villi that project into the superior sagittal sinus.

arachnoid

1. resembling a spider's web.

2. the delicate membrane interposed between the dura mater and the pia mater, and with them constituting the meninges. Called also arachnoidea.

cerebral arachnoid, arachnoidea cerebri

the arachnoid investing the brain.

arachnoid cyst

cysts of the pia and arachnoid containing cerebrospinal fluid; may cause gradually increasing pressure on nervous tissue, especially spinal cord, causing ataxia, paresis.

arachnoid fibroblastoma

see meningioma.

arachnoid granulations

villous enlargements of the arachnoid that protrude into dural sinuses or diploic veins and serve to drain cerebrospinal fluid. They are conspicuous in the dorsal sagittal sinus of the horse.

arachnoid membrane

arachnoid; middle layer of the meninges.

spinal arachnoid

the arachnoid investing the spinal cord.

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agitated depression anaclitic depression arachnoid arachnoid cyst arachnoid membrane arachnoid villus chorionic villus depression endogenous depression intestinal villus major depression neurotic depression normal pressure hydrocephalus pacchionian depression reactive depression unipolar depression villus			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. Spontaneous cerebrospinal fluid leak presenting as unilateral ... by Rajkumar, Kavadi T.; Orabi, Ahmed A.; Timms, Michael S. / Ear, Nose and Throat Journal 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. Communicating Hydrocephalus in a Mature Goffin's Cockatoo (Cacatua ... by Johnston, Heather A.; Lindstrom, Jamie G.; Oglesbee, Michael / Journal of Avian Medicine and Surgery Arachnoid granulations simulating osteolytic lesions of the calvarium. Radiological case of the month: Baha Al-Shawwa, MD and Mutasim ... by Shawwa, Baha Al-; Abu-Hasan, Mutasim / Applied Radiology			ara-C Arab Arabesque Pattern Arabi Arabian arabinose arabinosyl cytosine arabinosyladenine arabinosylcytosine Araceae arachic acid arachidic acid arachidonate arachidonic acid Arachis hypogaea Arachnic Injury arachnid Arachnida arachnidism arachnitis arachno- arachnodactyly arachnoid arachnoid cyst arachnoid granulation arachnoid granulations Arachnoid mater arachnoid membrane arachnoid trabeculae arachnoid villi arachnoid villus arachnoidal arachnoidea arachnoidea mater arachnoidism arachnoiditis arachnomelia arachnophobia araha-vabhedaka Aralen Aramine aran Aran-Duchenne disease Aran-Duchenne muscular atrophy Aran-Duchenne Muscular Dystrophy Aranaeomorpha Araneida Arantius' nodule Arantius' ventricle araphia ARAS			Arachnids arachniography Arachniphobia Arachniphobia Arachniphobia Arachnitis Arachnitis arachno- arachnodactyly arachnodactyly Arachnodes arachnoid arachnoid arachnoid Arachnoid (brain) arachnoid cyst arachnoid cyst arachnoid cyst Arachnoid cysts arachnoid fibroblastoma arachnoid fibroblastoma arachnoid fibroblastoma arachnoid g arachnoid g arachnoid g arachnoid g's arachnoid g's arachnoid g's arachnoid granulation arachnoid granulation arachnoid granulations Arachnoid layer Arachnoid mater Arachnoid mater Arachnoid mater arachnoid membrane arachnoid membrane arachnoid membrane arachnoid membranes arachnoid membranes arachnoid membranes arachnoid sheath arachnoid sheath arachnoid sheath arachnoid sheath arachnoid trabeculae Arachnoid villi Arachnoid villi Arachnoid villi arachnoid villus arachnoid villus arachnoid villus Arachnoidal Arachnoidal arachnoidal granulations arachnoidal granulations arachnoidal granulations Arachnoidea Arachnoidea Arachnoidea arachnoidea mater

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