ependyma


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  • noun

Words related to ependyma

thin epithelial membrane lining the ventricles of the brain and the spinal cord canal

References in periodicals archive ?
Imageandpathologicalobservation: Allimageswere reviewed by two experienced neuroimaging doctors to observe MRI signal characteristics, location, form and size of tumor, boundary peritumoral edema, existence of necrosis, cystic change, haemorrhage and calcification, enhancement degree, mass effect and whether tumor involved ependyma and pia mater.
Aquaporin4 knockout mice develop marked hydrocephalus, probably because of reduced water clearance through the ependyma and brain-blood barrier.
Astrocytes acquire morphological and functional characteristics of ependymal cells following disruption of ependyma in hydrocephalus," Acta Neuropathologica, vol.
Three major isoforms of GLUTs are considered important for glucose delivery to brain cells: GLUT1 is the primary glucose transporter in the blood-brain barrier, choroid plexus, ependyma, and glial cells and is not sensitive to insulin; GLUT3 is the predominant glucose transporter in neurons; GLUT5 is highly expressed in microglia [47].
Risk factors for cerebrospinal fluid (CSF) dissemination include direct invasion of the ependyma, fissuring of the ependyma secondary to hydrocephalus, fragmentation of tumour in contact with CSF, and surgical intervention.
They may circulate freely throughout the cerebrospinal fluid (CSF) pathways or become attached to the ependyma anywhere in the ventricles, but their predilection is for the occipital horn of the lateral ventricles and fourth ventricle.
Hydrogen peroxide at a concentration used during neurosurgery disrupts ciliary function and causes extensive damage to the ciliated ependyma of the brain.
In 2005, Wang and coworkers (1) described a report of 8 cases of a superficial cerebral tumor with elements of both ependyma and astrocytoma and marked by an angiocentric growth pattern.
The CSF-lymphatic link into nasal submucosa effects the ependyma and provides a regulatory mechanism which helps to balance the repetitive production and re-absorption of CSF (15).
Intermediate filament proteins in choroid plexus and ependyma and their tumors.