推荐回答(3个)
(1)嗅神经
(2)视神经
(3)动眼神经
(4)滑车神经
(5)三叉神经
(6)外展神经
(7)面神经
(8)位听神经
(9)舌咽神经
(10)迷走神经
(11)副神经
(12)舌下神经
1、嗅神经
转导嗅觉冲动,由上鼻甲及鼻中隔上部粘膜内嗅细胞的中枢突聚集成15~20条嗅丝,穿过筛板入颅前窝,连于大脑腹侧的嗅球。
2、视神经
传导视觉冲动,起于眼球视网膜,由眶内经视神经管入颅中窝,续于视交叉。
3、动眼神经
为运动神经,自中脑腹侧离脑,穿硬脑膜入海绵窦外侧壁继续前行,经眶上裂入眶动眼神经含一般体躯和一般内脏运动纤维。前者支配大部分眼外肌,后者即动眼神经的副交感节前纤维,至眶内睫状神经节,节细胞发起之节后纤维至眼球,支配瞳孔括约肌和睫状肌。
4、滑车神经
为躯体运动神经于中脑背侧前髓帆处出脑,绕大脑脚向前穿入海绵窦外侧壁,在动眼神经下方继续前行,经动眼神经外上方穿眶上裂入眶,支配上斜肌。滑车神经和动眼神经亦含本体感觉纤维。
5、三叉神经
为脑神经之最大者,是头面部主要的感觉神经,也是咀嚼肌的运动神经。躯体感觉纤维大部分起源于三叉神经节。三叉神经节位于颞骨岩部尖端的三叉神经压迹处,由节的前外缘分出3大支:(1)眼神经:是感觉神经,最小哦,向前穿入海绵窦外侧壁,居滑车神经下方,继经眶上裂入眶。(2)上颌神经:较大,亦为感觉神经,向前穿入海绵窦外侧壁下部,继水平向前,经圆孔出颅腔进入翼腭窝,再由眶下裂入眶,续为眶下神经。(3)下颌神经:最大,为混合神经,经卵圆孔至颞下窝。
6、展神经
是躯体运动神经,于脑桥延髓之间正中线两旁离脑,在鞍背外侧方穿硬脑膜进入海绵窦内,在颈内动脉外侧行向前出海绵窦,继而经眶上裂内端入眶,至外直肌。
7、面神经
是混合神经,于延髓脑桥沟的外侧部附于脑,经内耳门入内耳道,穿过颞骨岩部骨质内弯曲的面神经管,最后出茎乳孔离颅。面神经含:(1)特殊内脏传出纤维主要支配表情肌;(2)一般内脏传出纤维;(3)特殊内脏传入纤维;(4)一般内脏传入纤维;(5)一般躯体感觉纤维。
8、位听神经
由传导位置平衡感觉冲动的前庭神经和传导听觉冲动的蜗神经组成。前庭神经节位于内耳道底。蜗神经节位于内耳蜗轴螺旋管内。两神经从内耳道底起始,经延髓脑桥外侧端,面神经的外侧入脑。
9、舌咽神经
是混合神经,由连于延髓外侧面的许多根丝集合成神经,经颈静脉孔出颅腔。神经含:(1)特殊内脏传出纤维支配咽肌和喉肌;(2)一般内脏传出纤维分布于腮腺;(3)特殊内脏传入纤维(味觉);(4)一般内脏传入纤维;(5)一般躯体感觉纤维分布于耳甲和外耳道部分皮肤。
10、迷走神经
是混合神经,在舌咽神经的下方由许多附于延髓的根丝集合成干。经颈静脉孔颅腔。神经含:(1)特殊内脏传出纤维支配咽缩肌和颈突咽肌;(2)一般内脏传出纤维分布于腮腺;(3)特殊内脏传入纤维(味觉);(4)一般内脏传入纤维;(5)一般躯体感觉纤维分布于耳甲和外耳道部分皮肤。
11、副神经
是特殊内脏运动神经,由延髓根和脊髓根构成。
12、舌下神经
是躯体运动神经,由延髓外侧沟离脑,经舌下神经管出颅腔。舌下神经支配舌肌。
一嗅二视三动眼, 四划五叉六外展, 七面八听九舌咽, 迷走及副舌下全
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