




版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
1、Rhombencephalon or hindbrainRhombencephalonMedulla oblongataPonsMesencephalon (midbrain)CerebullumMedulla oblongata Posterior cranial fossa Lying on the clivus Formed fourth ventricle Contain tracts Contain several cranial nerve Reticular formationContain several cranial nerve1.Trigeminal 2.abducent
2、 3. facial 4. vestibulocochlear 5.glossopharyngeal 6. vagus 7. cranial accessory 8.hypoglossal nervesMedulla oblongataExternal features and relationsInternal structureExternal features and relations Lower pontine margine to above the 1st pair of cervical spinal nerves About 3x2x13 (L x W x thick) Cl
3、osed part (lower) and opening part(upper) The lower half of the floor of the fourth V Anterior median fissureSpinal anterior median fissureSmall triangular foramen caecumPyramidal decussationAnterior external arcuate fibresStria medullarisPosterior median sulcus Spinal posterior mdian sulcus Fourth
4、ventricleAnterior regionlateral regionposterior region Pyramid Abducent nerve (VI) Anterolateral sulcus-hypoglossal root(XII) Posterolateral sulcus-accessory(XI), vagus(X), glossopharyngeal (IX) nerves Olive (olivary complex of nuclei)Posterior region Continuation of the fasciculus gracilis and cune
5、atus Gracile and cuneate tubercles Nuclei gracilis and cuneatus Inferior cerebellar peduncleInternal structure Transverse section at the level of the pyramidal decussation Transvers section at the level of the decussation of the lemnisci Transvers section at the mid-olivary level The pyramidal decus
6、sation1. Pyramidal decussation2. Spinal nucleus of the accessory nerve (XII)3. Gracile nucleus4. Nucleus cuneatusThe lemniscal decussation Nucleus gracilisNucleus cuneatusIntenal arcuate fibresLemniscal decussation (tactile and locomotor sensation) Nucleus of the spinal tract of the trigeminal nerve
7、 (spinal necleus of trigeminal nerve) Hypoglossal nucleus(trigonum hypoglossi) Dorsal vagal nucleus (trigonum vagi) Nucleus of the tractus solitarius (facial, glossopharyngeal, vagus nerves gustatory and ) Pyramid contain ipsilateral corticospinal and corticonuclear fibresMid-olivary levels Infferio
8、r olivary nucleus complex 1.inferior, medial accessory and dorsal accessory olivary nuclei 2. hollow crenate grey mass 3. olivocerebellar tract 4. major componet of contralateral inferior cerebellar peduncle5. climbing fibres6. Purkinje cells in cerebellumHypoglossal necleusDorsal vagal nucleusNucle
9、us solitarius tractus solitarius1. -vagus, glossopharyngeanl nerve general viscerel afferents reflex control cardiovascular, respiratory, and cardiac functions 2. rostal pole of the solitary nucleus (the gustatory nucleus) glossopharyngeal nerve Caudal level -vagus and cranial accessory nerves Stria
10、ted muscle of branchial arch origin Gracile and cuneate nuclei Spinal trigeminal tract and nucleus Cochlear nuclei Olivocerebellar tract cross-inf. Peduncle Hypoglossal fibresWhite matter Medial longitubinal fasciculus Tectospinal tract Medial lemniscus Pyramid Transverse section of the medulla oblo
11、ngata through the cochlear nuclei Upper limit of the medullar Lateral vestibular nucleus Cochlear ncuclei (dorsal and ventral)White matter Inferior cerebellar peduncle Medial longitubinal fasciculus Tectospinal tract Medial lemniscus Pyramid RhombencephalonMedulla oblongataPonsMesencephalon (midbrai
12、n)CerebullumPonsExternal features and relationsInternal structureExternal features and relations Ventrolateral sulcus abducent, facial and vestibulocochlear nerves Middle cerebellar peduncle Sulcus basilaris (basilar artery) Cerebellopontine angle facial, vestibulocochlear and glossopharyngeal roots
13、 Trigeminal nerves Upper half of the floor of the fourth ventricle Anterior medullary velum trochlear nerve (IVth) decussation Transverse setionTegmentumVentral (basilar) partVentral (basilar) pons Corticopontine tract Corticonuclear tract Corticospinal tract Transverse pontine fibres middle cerebel
14、lar peduncle Pontocerebellar fibres (mossy fibres) cerebellar cortex Precerebellar pontine nuclei Cerebral cortex-contralateral cerebellar cortex Tegmental ponsLevel of the facial colliculusLevel of the trigeminal nerveTransverse section through the pontine lower segment Facial colliculi (abducent a
15、nd the geniculum of the facial nerves) Vestibular nucleus Cochlear nuclei Facial nuclei Other neuronal groups Vestibular nuclei (precerebellar vestibular nuclei)1.Medial vestibular nucleus2.Lateral vestibular nucleus3.Inferior vestibular nucleus4.Superior vestibular nucleusVestibular fibres of the v
16、estibulocochlear nerve descending fascicle -inferior cerebellar peduncle -medial, lateral and inferior vestibular nuclei ascending fascicles -superior and medial nucleiCochlear nucleusVentral cochlear nucleusDorsal cochlear nucleus auditory tubercle continuous with the vestibular area Spiral ganglio
17、n -cochlear nerve-Cochlear nuclei-Trapezoid body -superior olivary nuclei-lateral lemniscusinferior colliculus-medial geniculate body-transvers superior temporal gyrusStriae medullares of the fourth ventricleCerebropontocerebellar connectionFrom rhombic lip arcuate nuclei, pontobulbar body external
18、arcuate fibresStriae medullaresinferior pedunclecerebellum Abducent nucleus trochlear, oculomotor, hypoglossalnuclei somatic motor column Facial nucleus crossed corticonuclear fibres smaller ipsilateral fibres ipsilateral rubroreticular tract fibres nucleus solitarius spinal trigeminal nucleusGeniculum of the facial nerveDorsal part bilateral corticonuclear fibres - scalp and upper face muscleVentral part contralateral corticonuclear fibres -lower facial mus
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2025至2030中国白色家电行业市场运行分析及竞争格局与投资方向报告
- 2025至2030中国男士商务正装行业深度研究及发展前景投资评估分析
- 2025至2030中国用于食品和饮料的金属罐行业产业运行态势及投资规划深度研究报告
- 2025至2030中国玻璃门行业深度研究及发展前景投资评估分析
- 2025至2030中国玫瑰花露行业供需分析及发展前景报告
- 2025至2030中国物理治疗软件行业市场深度研究及发展前景投资可行性分析报告
- 商业培训中激励措施的心理机制研究
- 商业环境中残疾人餐具使用的培训与指导
- 招聘技巧培训课件
- 智能教育设备应用中的隐私保护问题研究
- 干部履历表(中共中央组织部2015年制)
- JCT1041-2007 混凝土裂缝用环氧树脂灌浆材料
- 退费申请表模板(直接打印)
- SPA水疗管理手册
- 充电桩工程施工方案解决方案
- 7、煤矿安全管理二级质量标准化验收标准
- USSF-美国太空部队数字服务远景(英文)-2021.5-17正式版
- 静配中心应急预案处理流程
- 江苏省射阳中等专业学校工作人员招聘考试真题2022
- 广东英语中考必背1600词
- 医疗器械销售代表工作计划工作总结述职报告PPT模板下载
评论
0/150
提交评论