arachnoidal


Also found in: Medical.
Related to arachnoidal: Arachnoid villi, arachnoid cyst

arachnoidal

(ˌærəkˈnɔɪdəl)
adj
relating to the arachnoid
References in periodicals archive ?
In this report, severe arachnoidal scarring (that is named as armored arachnoiditis) that made clipping of anterior communicating (ACom) aneurysm impossible in our case of study is presented.
have reviewed the MRI findings in 4 patients with ONG and have found that double-intensity tubular thickening characteristic of perineural arachnoidal gliomatosis, elongation of the nerves and downward kinking of the nerves in the mid-orbit are typical imaging findings on MRI.
The most common congenital lesions that occur in the cerebellopontine angle cistern and internal acoustic canal are epidermoidomas, arachnoidal cysts, dermoids, and lipomas.
It is not clear whether the osseous extension can be taken to be a real distant bone metastasis or a spinal column extension proceeding by contiguity from preexisting arachnoidal grafts.
9] Arachnoidal cysts, which are not true neoplasms, can also involve the petrous apex and cause symptoms that mimic neoplasms in this region.
These included patient 1 with a multiloculated cyst, possibly of arachnoidal origin (Figure 1, A), in which innumerable S100-positive nerve rootlets were entrapped in cyst wall.
A small dural and arachnoidal incision was made and a 2 to 3 mm segment of polyethylene tubing connected to a micropipette was inserted caudally through the durotomy.