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单词 projection system
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projection system
projection system n. [after German Projectionssystem (T. Meynert 1872, in S. Stricker Handbuch der Lehre von den Geweben des Menschen und der Thiere (1872) II. xxxi. 697; now Projektionssystem)] Anatomy a group of nerve fibres conveying impulses to another part of the nervous system.
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the world > life > the body > nervous system > [noun] > specific
sympathetic1808
central nervous system1826
reflex arc1833
projection system1872
autonomic1908
parasympathetic1916
C.N.S.1932
neuroeffector1937
1872 H. Power tr. T. Meynert in S. Stricker Man. Human & Compar. Histol. II. xxxi. 372 Since now this organization effects the content of the sensory shell of the cortex of the cerebrum with various forms of sensory impressions derived from the outside world, the image of which is coincidently projected upon the cortex, the name of projection system [Ger. Projectionssystem] is very appropriate to this great segment of the nervous system.
1974 V. B. Mountcastle et al. Med. Physiol. (ed. 13) I. xxix. 760/1 A large proportion of the responses recorded under chloralose, an agent that renders the nervous system abnormally sensitive to sensory stimuli, was mediated by the nonspecific projection system.
1989 C. R. Legg Issues in Psychobiol. (BNC) 6 The hippocampus and its subcortical projection system, the fornix.
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