单词 | bouton terminal |
释义 | > as lemmasbouton terminal 3. Anatomy. An enlarged part of a nerve fibre or cell, esp. an axon, where it forms a synapse with another nerve; bouton terminal (plural boutons terminaux), a single bouton at the tip of a nerve fibre; bouton de passage (plural boutons de passage), each of a series of boutons along the length of a nerve fibre. ΘΚΠ the world > life > the body > nervous system > substance of nervous system > [noun] > nerve fibre > specific part of button1600 bouton1932 1918 Jrnl. Compar. Neurol. 30 153 I could not find any place where the contact between the ‘botones de traecto’ and the cell surface takes place, as was described..by Cajal.] 1932 Proc. Royal Soc. B. 111 176 In preparations of new-born kittens it is impossible to observe any boutons on any of the cells in the cord. 1932 Proc. Royal Soc. B. 111 176 The boutons terminaux are small, oblong loops occurring at the end of nerve fibres and applied to cell-bodies and their dendrites. The boutons de passage are similar structures..found along the length of the finest nerve fibres, on both cell- and dendrite-surfaces. 1937 A. Kuntz Text-bk. Neuro-Anat. (ed. 2) v. 99 Fiber terminations consisting of delicate end-bulbs or end-loops (boutons). 1970 T. S. Leeson & C. R. Leeson Histol. (ed. 2) x. 196/2 (caption) Photomicrograph of an anterior horn cell to show boutons terminaux on the cell body and its dendrites. 1970 Nature 4 Apr. 21/1 Dense granular vesicles probably containing dopamine are present in the terminal boutons of striatal nerve endings. 1985 C. R. Leeson et al. Textbk. Histol. (ed. 5) vii. 207/1 In some cases, telodendria with their boutons are so numerous as to surround the neuron on which they terminate in a basket-like arrangement. < as lemmas |
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