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神经纤维

增加 25 位元組, 2 年前
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[[File:神经纤维3.jpg|缩略图|神经纤维[https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3129418888,3443381133&fm=26&gp=0.jpg 原图链接][https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3129418888,3443381133&fm=26&gp=0.jpg 图片来源百度网]]]
'''神经纤维''' ('''nerve fibers''' ), 神经元胞质(胞浆)的延长部分称为“神经纤维”,也叫“突起”。神经纤维的粗细各异,直径约在十分之几微米(1微米等于1/1000毫米)至100微米之间。有的很短,只有几微米;有的很长,可达1米左右。外有绝缘性髓鞘包着的,叫[[有髓鞘纤维]];没有明显髓鞘的,叫[[无髓鞘纤维]]。纤维内充满半流动性的神经浆,浆内有微管、微丝、线粒体、内质网等,具有维持突起生长和运输的作用。许多平行的神经纤维集合成束,即是神经。
[[File:神经纤维1.jpg|缩略图|神经纤维[https://www.baidu.com/link?url=b291mr1i35lYTodpZQkuxeFKExahHNtOAjw07rrb0QP8pQiApVGQoPSmnuu8RjzX2NQjX3tqEgvEHXc52O49aVVcdcHSuSvoCRwUx1V14w5FiPKbGQCJOX-yCGXTkWaW7H7R_9SdXWwwR-edxtTBiIRI5kkLCQcIk-OGURnBPgxTLGNC1tnwKQp96LY4I3M6UXouqcaVXCdJ8-7Vt3vIu84N2raxbx88DfPN07lgJmVZlujNtngMMb070QnOesBR7zxnj9U84a6j_P02cc8CXWAbH917eNs8BHqizLXa0xn7qIUcYXSjOo7krlftjhKN96akYHCjHT4kss71ePl-KXc9201uzhY5DqbkNzU3beQWmcifIum4hyMGjBbBlhd6M3jZe7PV7ixgvI7t6q9pylVVqA5RGpdglHaN77ar5l9r0fyC05QDVnfEQdzenoH8JEaSVE9AQr7uQJnd-11J2O_YCQEV7IlvkR2iXZJJKB0jzdSuSemyQEdmXTo4GOuS0GF6i7lt1CKHUSuGOqSuOPpp3tkbv5VIGqIL5URzOtKKrXgqxecd7xKoRbH353Ckzel9BNy7GBG5KOV9Zf7zHFHoYH803PSkZxYILPSIP2ToLrt7O2cqTIFuqzt8d4zTehlmZzaO4n5Hq1D_GYVnlBrcKOHbPI_V8z6voJfZSVr_W7xPF_tmaSvccXVcmttBrHMI-zUe7Jt-OvyWQ2yjk1KBMrs0hVqJKX83ZINLgsQm5ofaRhDtmnTSteFmL483O7zCz-2QqS9XQhOLvZUaTa&timg=&click_t=1606450835390&s_info=1077_442&wd=&eqid=9750f22500004ff2000000035fc07d1a 原图链接][https://www.baidu.com/link?url=b291mr1i35lYTodpZQkuxeFKExahHNtOAjw07rrb0QP8pQiApVGQoPSmnuu8RjzX2NQjX3tqEgvEHXc52O49aVVcdcHSuSvoCRwUx1V14w5FiPKbGQCJOX-yCGXTkWaW7H7R_9SdXWwwR-edxtTBiIRI5kkLCQcIk-OGURnBPgxTLGNC1tnwKQp96LY4I3M6UXouqcaVXCdJ8-7Vt3vIu84N2raxbx88DfPN07lgJmVZlujNtngMMb070QnOesBR7zxnj9U84a6j_P02cc8CXWAbH917eNs8BHqizLXa0xn7qIUcYXSjOo7krlftjhKN96akYHCjHT4kss71ePl-KXc9201uzhY5DqbkNzU3beQWmcifIum4hyMGjBbBlhd6M3jZe7PV7ixgvI7t6q9pylVVqA5RGpdglHaN77ar5l9r0fyC05QDVnfEQdzenoH8JEaSVE9AQr7uQJnd-11J2O_YCQEV7IlvkR2iXZJJKB0jzdSuSemyQEdmXTo4GOuS0GF6i7lt1CKHUSuGOqSuOPpp3tkbv5VIGqIL5URzOtKKrXgqxecd7xKoRbH353Ckzel9BNy7GBG5KOV9Zf7zHFHoYH803PSkZxYILPSIP2ToLrt7O2cqTIFuqzt8d4zTehlmZzaO4n5Hq1D_GYVnlBrcKOHbPI_V8z6voJfZSVr_W7xPF_tmaSvccXVcmttBrHMI-zUe7Jt-OvyWQ2yjk1KBMrs0hVqJKX83ZINLgsQm5ofaRhDtmnTSteFmL483O7zCz-2QqS9XQhOLvZUaTa&timg=&click_t=1606450835390&s_info=1077_442&wd=&eqid=9750f22500004ff2000000035fc07d1a 图片来源百度网]]]
'''中文名''':[[神经纤维]]
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