它由星形细胞瘤，少突胶质细胞瘤，室管膜瘤发展而来，它们是由神经外胚层细胞诱导的。
It developed from astrocytoma, oligodendroglioma, ependymoma, which were induced by neural ectoblast.
室管膜瘤和脑膜瘤内常可见钙化。
Intracranial calcification is frequently seen in ependymomas and meningiomas.
蛛网膜下室管膜囊肿是非常少见的。
目的：讨论室管膜瘤病理形态特征。
Purpose: To investigate the clinicopathologic characteristic of ependymoma.
室管膜囊肿的预后是良好的。
病灶强化，室管膜不强化。
室管膜下巨细胞星形细胞瘤：仅1例发现。
室管膜下病灶：CT发现钙化结节127个。
Subependymal lesions:127 calcified nodules were found on CT.
目的：提高室管膜瘤的CT及MRI诊断水平。
Objective:To improve the diagnostic level of CT and MRI in ependymoma.
CT上有室管膜下钙化结节和皮质结节特征性表现。
Nodes under the ependyma and nodes in the cortex were characteristic expressions in ct.
室管膜上皮细胞表面可见较多的纤毛和大量的微绒毛。
The quantities of cilia and microvilli on the uneven surface of ependyma were reduced obviously.
该研究组已经在脊髓中确认了一种名为室管膜的干细胞。
The research group has identified a type of stem cell, called an ependymal cell, in the spinal cord.
对雄性大鼠正中隆起室管膜进行了透射和扫描电镜观察。
The ependyma of hypothalamic median eminence of the male rat was studied with scanning and transmission electron microscope.
目的：探讨圆锥马尾部室管膜瘤的诊断及手术治疗特点。
Aim: To study the diagnosis and treatment of ependymoma in conus medullaris and cauda equins.
临床上有三种分类：室管膜下、带状、皮层下灰质异位。
There are three clinically useful classifications of gray matter heterotopia: subependymal, band, and subcortical heterotopia.
主要发现有室管膜下结节，皮质结节，白质异常和脑萎缩。
Main findings included subependymal nodules, cortical tubers, white matter abnormalities and brain atrophy.
室管膜下巨细胞星形细胞瘤2例，肾血管平滑肌脂肪瘤1例。
Subependymal giant cell astrocytomas were detected in 2 cases, renal angiomyolipoma was detected in 1 case.
方法用扫描电镜的方法观察了人胎儿菱形窝室管膜的超微结构。
Methods The ultrastructural feature of the rhomboid fossa in human fetus were examined by scanning electron microscopy.
结果（1）大鼠海马伞的室管膜表面覆盖着大量的纤毛和微绒毛；
Results (1) A lot of cilia and microvilli were obversed on the surface of hippocampal fimbria.
室管膜囊肿是少见的颅内病变，可以见于脑实质、脑室或蛛网膜下腔。
Ependymal cysts are rare intracranial lesions that are found in the brain parenchyma, ventricles, and subarachnoid space.
对青春期前大鼠第三脑室漏斗区室管膜表面形态进行了扫描电镜研究。
The ependymal surface morphology of the third ventricular infundibular region was investigated in the prepubertal rat by scanning electron microscope.
用抗犬瘟热核蛋白抗体染色，带有包涵体的室管膜细胞呈强阳性反应。
With anti-CDV antigen assay, the ependymal cells with inclusion bodies were intensive positive reaction.
室管膜上神经纤维可存在于海马伞的多纤毛区，也可存在于海马体的少纤毛区。
Supraependymal nerve fibers existed not only on the ciliated surface of hippocampal fimbria, but also in the middle and posterior surfaces of hippocampal body.
室管膜下灰质异位(SEH)可以孤立的发生或伴有其他的神经或代谢性疾病。
Subependymal heterotopia (SEH) can occur in isolation or with other neurologic and metabolic disorders.
发生在脑干之上第四脑室室管膜的室管膜瘤。组织学上，室管膜瘤是良性肿瘤。
Here is an ependymoma arising from the ependymal lining of the fourth ventricle above the brainstem and bulging toward the cerebellum. Ependymomas are benign histologically.
在其背侧壁的室管膜下，常可见一锥形神经胶质细胞群，在背侧正中线上伸展。
Beneath the dorsal wall of it, a neuroglia cell cluster in a pyramidal form was often seen, extending dorsally along the median line.
本文以刀解及HE染色光镜观察，研究家兔中脑水管形态及其室管膜细胞构筑学。
Gross anatomy of the mesencephalic aqueduct and its ependymal cytoarchitecture were investigated with dissection and light microscopy after he staining in the rabbit.
本文以刀解及HE染色光镜观察，研究家兔中脑水管形态及其室管膜细胞构筑学。
Gross anatomy of the mesencephalic aqueduct and its ependymal cytoarchitecture were investigated with dissection and light microscopy after he staining in the rabbit.
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