Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to ependymal: ependymal cyst


a. ependimario-a, rel. al epéndimo:
___ cellscélulas ___ -as;
___ layermembrana ___.
References in periodicals archive ?
In another study, gliomas of astrocytic, oligodendroglial and ependymal type accounted for more than 70% of all brain tumours with glioblastoma being most frequent (65%) and malignant histological type.
72) It is interesting to note that in autopsy specimens, subependymal glial nodules (apart from those seen in patients with tuberous sclerosis) are sometimes attributed to evidence of remote ventriculitis or other injury to the ependymal lining.
Post-contrast scans reveal meningeal enhancement along the Sylvian fissures, interpeduncular, perimesencephalic cisterns, ependymal enhancement along bilateral ventricular linings and bilateral choroid plexus enhancement; TOF Angio reveals beaded appearance of bilateral MCA and PCA.
Since green fluorescence was detected under fluorescent microscope [Figure 1], recombinant adenoviruses containing GFP were successfully expressed in ependymal and adjacent cells of Ad and AdHIF-1 agroups at 24 h postinjection.
In some areas of the brain, the distance from the meningeal membranes to the ependymal epithelium was 3.
They are rarely seen on native CT scans, while contrast enhanced CT scan shows areas of enhancement radiating towards the ependymal surface of the ventricles.
The remaining anterior and posterior callosal fiber tracts are disconnected from the ependymal surface toward the cingulate gyrus (8,28,50,57).
This revealed a rounded, heterogeneous, soft tissue mass with central calcifications opposing the ependymal surface in the ventral body of the right lateral ventricle measuring approximately 12 mm x 18 m.
The water permeation speed of AQP4, which is the predominant water channel in the brain expressed in the endfeet of astrocytes, ependymal cells, and glial lamellae of the hypothalamus, is identical to that of AQP1, a fast water permeation channel.
In rat, AQP4 is expressed in astrocytes, ependymal cells, and the hypothalamus.
These tumours arise from three different types of cells that are normally found in the brain: astrocytes, oligodendrocytes, and ependymal cells.
Histologically, they are hamartomatous formations with intensive vascularity including astrocytes surrounded by a thin ependymal cell layer.