单词 | postsynaptic |
释义 | postsynapticadj. 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). < adj.1909 |
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