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单词 postsynaptic
释义

postsynapticadj.

Brit. /ˌpəʊs(t)sᵻˈnaptɪk/, U.S. /ˌpoʊs(t)səˈnæptɪk/
Origin: Formed within English, by derivation. Etymons: post- prefix, synaptic adj.
Etymology: < post- prefix + synaptic adj., after postsynapsis n. Compare slightly earlier presynaptic adj.
1. Biology. Occurring or existing after the pairing of homologous chromosomes during meiosis; relating to or characteristic of postsynapsis.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > [adjective] > stages of mitosis or meiosis
homotypical1870
heterotypical1888
homoeotypical1888
heterotypic1889
homoeotypic1889
skein1889
heterotype1895
homotype1895
synaptic1895
synaptenic1900
presynaptic1903
homotypic1904
dictyate1905
post-meiotic1905
premeiotic1905
telophasic1907
postsynaptic1909
metaphase1912
prophasic1912
telosynaptic1912
interkinetic1927
synapsed1931
synizetic1931
interphasic1948
1909 Ann. Bot. 23 21 The prophases of division naturally fall into two periods, the pre-synaptic and the post-synaptic phases.
1921 Ann. Bot. 35 366 During the period when the mother-cells are in synapsis and the postsynaptic spireme stages, the tapetal cells vary greatly in appearance.
1931 Cytologia 2 353 Secondary association..is a post-synaptic phenomenon.
1985 Genetica 67 21 Zygotene (presynaptic) and diplotene (postsynaptic) configurations are different from each other.
2. Physiology. Located or occurring distal to a nerve synapse.
ΘΚΠ
the world > life > the body > nervous system > substance of nervous system > [adjective] > nerve cell > types of
unipolar1853
interneural1888
adendritic1894
interneuronal1899
tigroid1901
connecter1916
satellited1928
microglial1929
oligodendroglial1929
presynaptic1935
postsynaptic1937
motoneuronal1955
fusimotor1958
monoaminergic1963
noradrenergic1963
aminergic1967
1937 Proc. Royal Soc. B. 122 113 The response is erratic in that by no means every pre-synaptic stimulus yields a post-synaptic response.
1965 G. H. Bell et al. Textbk. Physiol. & Biochem. (ed. 6) xxxix. 796 In general the presynaptic fibre divides up into numerous fine branches which then end in greatly expanded terminals, presynaptic knobs, which make intimate contact with part of the membrane of the cell body or dendrites of the postsynaptic cell.
1974 M. C. Gerald Pharmacol. v. 100 This interaction may produce one of two types of changes in the permeability of the postsynaptic membrane.
1989 Sci. Amer. July 29/1 The enzyme is concentrated at the so-called postsynaptic (signal-receiving) sites throughout the dendritic trees of the CA1 neurons.

Derivatives

ˌpostsyˈnaptically adv. Physiology distal to a nerve synapse.
ΘΚΠ
the world > life > the body > nervous system > substance of nervous system > [adverb] > nerve cell > junction between
synaptically1902
postsynaptically1951
trans-synaptically1954
presynaptically1962
1951 Proc. Royal Soc. B. 138 487 The ‘subsynaptic depression’..that ensues when synaptic knobs have been activated under conditions in which no propagated impulse is set up post-synaptically (i.e. in the absence of reflex discharge).
1978 Nature 22 June 674/1 These neurones lie postsynaptically to high densities of nerve terminals shown by immunohistochemical techniques to contain somatostatin-like material.
2004 Trends in Neurosci. 27 440 It is almost axiomatic in neuroscience that postsynaptically induced NMDA-dependent long-term potentiation..is a cellular substrate of memory.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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adj.1909
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