单词 | telodendrion |
释义 | > as lemmastelodendrion telodendrion n. Brit. /ˌtɛlə(ʊ)ˈdɛndrɪən/ , /ˌtiːlə(ʊ)ˈdɛndrɪən/ , U.S. /ˌtɛləˈdɛndriən/ , /ˌtiləˈdɛndriən/ (also teloˈdendron; pl. telodendria is used for both forms) Anatomy one of the terminal branches into which the axon of a nerve cell divides. [ < telo- comb. form1 + Hellenistic Greek δενδρίον ( < ancient Greek δένδρον tree (see dendro- comb. form) + -ιον, diminutive suffix), after German Telodendrion (1892 or earlier).] ΘΚΠ the world > life > the body > nervous system > substance of nervous system > [noun] > nerve cell > parts of axon1842 cell body1851 neuron1893 neurite1894 neuroplasm1894 perikaryon1897 neurofibril1898 axon hillock1899 telodendrion1899 axoplasm1900 neurofibrilla1902 cyton1910 soma1947 neurotubule1948 neurofilament1955 neurode1987 1899 L. F. Barker Nerv. Syst. viii. 82 The ultimate terminals (telodendrions) of the axones have been carefully and exactly studied. 1907 I. Hardesty in Morris & McMurrich Morris's Treat. Human Anat. (ed. 4) 751 The axone bearing the impulse on approaching its termination loses its sheath and breaks up into its numerous terminal twigs, the final of which are called telodendria. 1949 Blakiston's New Gould Med. Dict. 1030/2 Telodendrion. See telodendron. 1966 C. R. Leeson & T. S. Leeson Histol. x. 178/2 In some cases, the telodendria are so numerous as to surround the neuron on which they terminate in a basket~like arrangement. < as lemmas |
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