Low F N
Scan Electron Microsc. 1982(Pt 2):869-90.
The first decade of scanning electron microscopy of the central nervous system has emphasized study of the ventricular system, especially the circumventricular organs. These are largely non-ciliated areas located in close vicinity to the third and fourth ventricles. Supraependymal cells (neurons and phagocytes) are common here along with tanycytes. Occasionally small blood vessels are exposed. Neurosecretory function is established for some of these organs and suspected for most of them. The subarachnoid space is clearly lined by flat surfaced connective tissues with fenestrations. Free cells which are known to be macrophages are common on the natural surfaces. These tissues react to antigens in the manner of connective tissues elsewhere in the body. The "non-surface" areas of the central nervous system have been examined by various techniques utilizing fracturing, isolation and ultrasonication but an established methodology has not yet emerged.
中枢神经系统扫描电子显微镜检查的头十年主要侧重于脑室系统的研究，尤其是室周器官。这些器官大多是位于第三和第四脑室附近的无纤毛区域。室管膜上细胞（神经元和吞噬细胞）与伸长细胞在此处很常见。偶尔可见小血管。其中一些器官已确定具有神经分泌功能，大多数则疑似有此功能。蛛网膜下腔明显由有窗孔的扁平结缔组织衬里。已知为巨噬细胞的游离细胞在天然表面很常见。这些组织对抗原的反应方式与身体其他部位的结缔组织相同。中枢神经系统的“非表面”区域已通过多种利用断裂、分离和超声处理的技术进行了检查，但尚未形成既定的方法。
