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单词 magnocellular
释义

magnocellularadj.

Brit. /ˌmaɡnəʊˈsɛljᵿlə/, U.S. /ˌmæɡnoʊˈsɛljələr/
Origin: A borrowing from Latin. Etymon: Latin magnocellularis.
Etymology: < scientific Latin magnocellularis (1918 or earlier) < classical Latin magnus great (magni- comb. form) + -o- -o- connective + scientific Latin cellularis cellular adj. Compare French magno-cellulaire (1929 or earlier).
Anatomy and Zoology.
Consisting of, designating, or relating to neurons with large cell bodies.
ΘΚΠ
the world > life > the body > nervous system > substance of nervous system > [adjective] > nerve cell
neuronal1897
neuronic1899
magnocellular1936
1936 Arch. Neurol. & Psychiatry (Chicago) 35 849 In birds this nucleus covers the magnocellular nucleus orally and caudally.
1939 Philos. Trans. (Royal Soc.) B. 229 480 The magnocellular–palliovisceral tract.
1966 Jrnl. Compar. Neurol. 128 181 (title) Magnocellular neurosecretory centers in the rat hypothalamus.
1975 Brain Res. 94 1 Somatic thorns were observed rather frequently on the magnocellular neurons.
1980 Gray's Anat. (ed. 36) vii. 969/2 Thus the neurons which project into or through the infundibulum may be considered in two groups: magnocellular, including the large and intermediate cells of the supraoptic nucleus.., and parvocellular.
1987 Philos. Trans. (Royal Soc.) B. 315 343 In Sepia, but not in Loligo, efferent fibres pass from the ventral magnocellular lobe direct to the arms.
1991 New Scientist 16 Mar. 27/3 The visual system has two parallel pathways involving different types of optical nerve cell. The first, which involves large cells, deals with processing motion, while the second, involving small cells, deals with colour and detail. These are known as the magnocellular and parvocellular pathways respectively.
This is a new entry (OED Third Edition, March 2000; most recently modified version published online March 2022).
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adj.1936
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