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单词 macroglia
释义

macroglian.

Brit. /maˈkrɒɡlɪə/, /ˌmakrə(ʊ)ˈɡlʌɪə/, U.S. /mæˈkrɑɡliə/, /ˈˌmækrəˈɡlaɪə/
Origin: Formed within English, by compounding; modelled on a Spanish lexical item. Etymons: macro- comb. form, glia n.
Etymology: < macro- comb. form + glia n., after Spanish macroglía (S. Ramón y Cajal 1920, in Trabajas de Lab. de Investigaciones Biológicas (Madrid) 18 120), itself probably after neuroglia n. Compare microglia n., oligodendroglia n.
Histology.
Relatively large neuroglial cells derived from the neural plate, esp. astrocytes and oligodendrocytes; a tissue composed of such cells. Usually with plural agreement.
ΚΠ
1924 Brain 47 432 The fibrous and protoplasmic neuroglia..have been called common neuroglia or macroglia (Cajal), to distinguish them from the newly described more asteroid elements.
1932 W. Penfield in E. V. Cowdry Special Cytol. (ed. 2) III. xxxvi. 1448 (heading) Astrocytes (Spider cells, Deiters' cells, common neuroglia, macroglia).
1943 O. S. Strong & A. Elwyn Human Neuroanat. iv. 43/1 Neuroglia in the broadest sense may be divided into the following types: (1) astroglia or macroglia, whose cells are known as astrocytes; (2) oligodendroglia; (3) microglia or mesoglia; (4) ependyma.
1996 Jrnl. Compar. Neurol. 388 265 We have obtained quantitative evidence for the abundance and widespread distribution of gap junctions interlinking the three primary types of macroglia throughout both gray and white matter of the mammalian central nervous system.
This is a new entry (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1924
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