Section 2 The Cranial Nerves(脑神经)-精选文档.ppt
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1、Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,1,The Cranial Nerves,一嗅二视三动眼,四滑五叉六外展,七面八听九舌咽, 十是迷走十一副,再加舌下十二全。,VIII. Vestibulocochlear n. (前庭蜗神经) (位听神经) IX. Glossopharyngeal n. (舌咽神经) X. Vagus n. (迷走神经) XI. Accessory n. (副神经) XII. Hypoglossal n. (舌下神经),Oh. oh. oh. to touch an
2、d feel very green vegetablesAH!,Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,2,Introduction,A. Classification of the Cranial Nerves 1. Sensory nerves (感觉神经): I, II, VIII. 2. Motor nerves (运动神经): III, IV, VI, XI, XII. 3. Mixed nerves (混合神经): V, VII, IX, X.,Systematic Anatom
3、y,Dept of Anatomy, Medical College, Qingdao University,3,Introduction,B. Components of the Cranial Nerves 1. Sensory (afferent) fibers 感觉(传入) 纤维 1) general somatic sensory fiber (GSA) (一般躯体感觉纤维): skin nerve endings (皮肤神经末稍) muscle spindles (肌梭),Systematic Anatomy,Dept of Anatomy, Medical College, Qi
4、ngdao University,4,Introduction, 2) special somatic sensory fiber (SSA) (特殊躯体感觉纤维): visual (视), hearing (听), balance organs (平衡),Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,5,Introduction, 3) general visceral sensory fiber (GVA) (一般内脏感觉纤维): all viscera (全部内脏) 4) special v
5、isceral sensory fiber (SVA) (特殊内脏感觉纤维): olfactory (嗅器) and taste (味器),Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,6,Introduction,2. Motor (efferent) fibers 运动 (传出)纤维 1) general somatic motor fiber (GSE) (一般躯体运动纤维): muscles of the eye and tongue (眼外肌和舌肌),Systematic Anatomy
6、,Dept of Anatomy, Medical College, Qingdao University,7,Introduction, 2) general visceral motor fiber (GVE) (一般内脏运动纤维): smooth mm. (平滑肌), cardiac mm. (心肌), glands (腺体),Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,8,Introduction, 3) special visceral motor fiber (SVE) (特殊内脏运
7、动): skeletal muscles derive from branchial arch (源与鳃弓的骨骼肌) I 鳃弓 咀嚼肌 II 鳃弓 面肌 III-VII 鳃弓 咽喉肌, 胸锁乳突肌,斜方肌,Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,9,I. The Olfactory Nerve (嗅神经) SVA,olfactory bulb (嗅球),olfactory filaments (I) (嗅丝),cribriform foramina,olfactory cells (嗅细胞)
8、 within the olfactory epithelium of nasal cavity (在鼻腔内嗅区上皮),anosmia 嗅觉丧失 hyposmia 嗅觉减退,Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,10, II. The Optic Nerve (视神经) SSA,rod cells (视杆细胞) cone cells (视锥细胞),ganglionic cells (节细胞),II,optic chiasma (视交叉),optic canal (视神经管),photore
9、ceptor cells (感光细胞),total blindness 全盲,bipolar cells (双极细胞),Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,11, . The Oculomotor Nerve (动眼神经) GSE, GVE,midbrain (中脑) 脚间窝,III superior branch(上支),superior rectus levator palpebrae superioris (上直肌,上睑提肌),inferior rectus medial rect
10、us inferior oblique (下直肌,内直肌,下斜肌),superior orbital fissure (眶上裂),III inferior branch(下支),strabismus 斜视 损伤:眼睑下垂, 瞳孔扩大 , 眼球转向外下, 复视,sphincter pupil, ciliary m. (瞳孔括约肌,睫状肌),Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,12, . The Oculomotor Nerve (动眼神经) GSE, GVE,Systematic Anat
11、omy,Dept of Anatomy, Medical College, Qingdao University,13, . The Trochlear Nerve (滑车神经) GSE,midbrain (中脑) 背侧,IV,superior oblique (上斜肌),sup. orbital fissure(眶上裂),Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,14, . The Trigeminal Nerve (三叉神经) GSA, SVE,V,maxillary n (上颌神经),o
12、phthalmic n (眼神经),mandibular nerve (下颌n),pons (脑桥),lacrim. n(泪腺),frontal (额) n,nasociliary(鼻睫) n,眶上神经,lacrimal gland(泪腺),鼻背,腔,筛窦,眼球,V ganglion (三叉神 经节),额皮,infraorbital(眶下) n,sup. alveolar(上牙槽) n,auriculotemporal n,buccal (颊) n,lingual (舌) n,inf. alveolar n,眼口间皮肤,上牙,牙龈,颞部皮肤,颊部皮肤,粘膜,舌前 2/3 一般感觉,Taste.
13、舌前2/3味觉,mental 颏n,下唇皮肤,lower teeth下牙,牙龈,masticat. brs(咀嚼肌支),mastic.mm.咀嚼肌,trigeminal neuralgia 三叉神经痛 trigeminal nerve block 三叉神经封闭,鼓索,下颌舌骨肌N,Zygomatic n.(颧神经),颧部皮肤,滑车上神经,VII,Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,15, . The Trigeminal Nerve (三叉神经) GSA, SVE,Systematic
14、Anatomy,Dept of Anatomy, Medical College, Qingdao University,16, . The Trigeminal Nerve (三叉神经) GSA, SVE,Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,17, . The Trigeminal Nerve (三叉神经) GSA, SVE,V1,V2,V3,Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,
15、18, . The Abducent Nerve (展神经) GSE,pons (脑桥),VI,lateral rectus (外直肌),strabismus 斜视 diplopia (double vision) 复视,sup. orbital fissure(眶上裂),Systematic Anatomy,Dept of Anatomy, Medical College, Qingdao University,19,CN I. The Olfactory Nerve (SVA) olfactory bulb I olfactory filaments (I) olfactory cells
16、 CN II. The Optic Nerve (SSA) optic chiasma II ganglionic cells bipolar cells rod & cone cells CN III. The Oculomotor Nerve (GSE,GVE) superior br. superior rectus, levator palpebrae superioris inferior br. inf. rectus, medial rectus, & inferior oblique CN IV. The Trochlear Nerve (GSE) midbrain IV su
17、perior oblique CN V. The Trigeminal Nerve (GSA,GVA,SVE) ganglion 1. ophthalmic n. (V1) lacrimal n. lacrimal gland frontal n. supraorbital n. frontal skin supratrochlear n. frontal skin nasociliary n. nose, eyeball, & ethmoidal sinus,Summary of CN I - VI,Systematic Anatomy,Dept of Anatomy, Medical Co
18、llege, Qingdao University,20,2. maxillary n. (V2) infraorbital n. skin between eye and mouth zygomatic n. zygomatic skin pterygopalatine n. nasal cavity, palatine & tonsil superior alveolar n. superior teeth 3 mandibular n. (V3) auriculotemporal n. temporal skin buccal n. buccal skin and mucosa ling
19、ual n. anterior 2/3 part of tongue inferior alveolar n. mental n. mental skin inferior teeth, gingiva submandibular ganglion mylohyoid and digastric mm. masticatory branches masticatory mm. CN VI. The Abducent Nerve (GSE) pons VI lateral rectus,Summary of CN I - VI,Systematic Anatomy,Dept of Anatomy
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