| 释义 |
microglia Anat.|maɪkrəʊ-, mɪkrəʊˈglaɪə|
[f. micro- 1 + neuroglia.]
Neuroglial cells derived from mesoderm and functioning as macrophages (scavengers) in and about the central nervous system (now regarded as components of the reticulo-endothelial system); a tissue composed of such cells. Usu. const. as pl. So microˈglial a.
1924Jrnl. Nervous & Mental Dis. LIX. 346 In 1918 del Rio-Hortega succeeded..in impregnating clearly and specifically a homogeneous group of cells... These cells he called microglia. 1929Amer. Jrnl. Path. V. 452 The microglial reaction around a sterile puncture wound of the cerebrum. 1932Times Lit. Suppl. 10 Nov. 843/3 The rod-cells..are in fact generally held to be a variety of microglia. 1962Gray's Anat. (ed. 33) 56 The astrocytes and oligodendroglia are ectodermal in origin..whilst the microglia is of mesodermal origin. 1966W. Andrew Microfabric of Man x. 147 (caption) Microglia in gray matter of spinal cord. Cell bodies of these cells are often angular or elongated. Ibid. 148/1 The microglia..are capable of remarkable transformations. 1973Palay & Chan-Palay Cerebellar Cortex vi. 178/2 Often microglia laden with such inclusions can be found to have wandered even into the molecular layer. Ibid., The processes of a microglial cell can even invade the confines of the myelin sheath. |