- ependymal layer
- the innermost layer of the wall of the primordial neural tube, bounding the central canal, which differentiates regionally into the roof plate and the floor plate.
Medical dictionary. 2011.
ependymal layer
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layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam … Medical dictionary
ependymal zone — see under layer … Medical dictionary
zone — A segment; any encircling or beltlike structure, either external or internal, longitudinal or transverse. SEE ALSO: area, band, region, space, spot. SYN: zona (1) [TA]. [L. zona] … Medical dictionary
GLI1 — is a protein originally isolated in human glioblastoma [cite journal journal=Science year=1987 month=Apr volume=236 issue=4797 pages=70–3 title=Identification of an amplified, highly expressed gene in a human glioma author=Kinzler KW,… … Wikipedia
Lamina — A plate or layer. For example, the lamina arcus vertebrae, usually just called the lamina, are plates of bone in each vertebral body. * * * SYN: plate (1). SEE ALSO: layer, stratum. [L] l. affixa [TA] that part of the medial ependymal wall of the … Medical dictionary
Choroid plexus — Brain: Choroid plexus Scheme of roof of fourth ventricle. The arrow is in the foramen of Magendie. 1: inferior medullary velum 2: Choroid plexus 3: Cerebellomedullary cistern of subarachnoid cavity 4: Central canal 5: Corpora quadrigemina … Wikipedia
Astrocyte — For the cell in the gastrointestinal tract, see Interstitial cell of Cajal. Neuron: Astrocyte Astrocytes can be visualized in culture because they express glial fibrillary acidic protein … Wikipedia
tela — 1. Any thin weblike structure. 2. A tissue; especially one of delicate formation. [L. a web] t. choroidea [TA] that portion of the pia mater that covers the ependymal roof or, in the case of the lateral … Medical dictionary
Ependyma — Infobox Anatomy Name = PAGENAME Latin = GraySubject = 189 GrayPage = 829 Caption = Section of central canal of medulla spinalis, showing ependymal and neuroglial cells. Width = 200 | Caption2 = System = MeshName = Ependyma MeshNumber =… … Wikipedia
Cyst — A closed sac or capsule, usually filled with fluid or semisolid material. * * * 1. A bladder. 2. An abnormal sac containing gas, fluid, or a semisolid material, with a membranous lining. SEE ALSO: pseudocyst. [G. kystis, bladder] adventitious c.… … Medical dictionary
