中枢神经系统 Central Nervous System：传导路 The Nervous Pathways

Central Nervous System The Nervous Pathways) 传导路 Ling shucai Dendrite TErminal

Ling Shucai Central Nervous System The Nervous Pathways 传导路

The Nervous pathways I. The sensory(ascending) pathways 感觉(上行)传导路 II. The motor(descending) pathways 运动(下行)传导路

The Nervous Pathways I. The sensory (ascending) pathways 感觉（上行）传导路 II. The motor (descending) pathways 运动（下行）传导路

I The sensory(ascending) pathways 1. The conscious deep sensory pathways意识性深感觉传导路 The deep sensory and fine touch pathway of trunk and limbs x The deep sensory pathway of head and face 2. The unconscious deep sensory pathways非意识性深感觉传导路 3. The superficial sensory pathway of trunk and limbs 躯干四肢浅感觉传导路 The pathway concerned with pain and thermal sensations The rude tactile and pressure sensation pathway 4. The superficial sensory pathway of head and face x 头面部浅感觉传导路 4. The visual pathways★视觉传导路 5. The auditory( or acoustic) pathways★听觉传导路 6. Equilibratory pathways平衡觉传导路

Ⅰ.The sensory (ascending) pathways 1. The conscious deep sensory pathways 意识性深感觉传导路 ➢ The deep sensory and fine touch pathway of trunk and limbs ★ ➢ The deep sensory pathway of head and face 2. The unconscious deep sensory pathways 非意识性深感觉传导路 3. The superficial sensory pathway of trunk and limbs ★ 躯干四肢浅感觉传导路 ➢ The pathway concerned with pain and thermal sensations ➢ The rude tactile and pressure sensation pathway 4. The superficial sensory pathway of head and face ★ 头面部浅感觉传导路 4. The visual pathways ★ 视觉传导路 5. The auditory (or acoustic) pathways ★ 听觉传导路 6. Equilibratory pathways 平衡觉传导路

nernal capsule VPL nucleus sterolater nucleus VPL nucleus) 躯干和四肢深感觉传导路 spinothalamic tract pinal lemniscus Tngeminal lemniscus I Tngeminothalamie trct) Medial lemniscus A- Antenor spinocerebellar tract 839 Superior cerebellar peduncle ded ial lemniscus Inferior cerebellar peduncle Gracile nucleus Posterior spinocerebellar tract Cuneate nucle Medial lemniscus )cassation of medial lemniscus Fasciculus gracilis Fasciculus cuneatus Intermediomedial nucleus Postenor spinocerebellar tract Anterior spinocerebellar tract Nucleus thoracicus( Nucleus dorsalis) Fig. M-3-2 The deep sensory pathways of trunk and limbs

躯干和四肢深感觉传导路

Postcentral gyrus Internal capsule 浅感觉传导路 VPL nucleus Internal capsule Ventral posterolateral nucleus Ventral posteromedial nucleu ontime nucleus of tngeminal n Spinothalamic tract Trigeminal lemniscus (Trigemino thalamic tract) Spinal tract of trigeminal n Spinal nucleus of trigeminal n Substantia gelatinosa Spinal ganglionic cell Lateral spinothalamic tract Antenor spinothalamic Fig. V-3-1 The superficial sensory pathways

浅感觉传导路

视觉传导路 睫状神经节 B ciliary ganglion B 视東 optic tract 外侧膝状体 lateral geniculate body 中脑 midbrain 动眼神经核 oculomotor nucleus 视辐射 顶盖前核 optic radiation pretectal nucleus 上丘 superior colliculus 动眼神经副核 accessory oculomotor nucleus 视皮质 visual cortex 图16-73视觉传导通路

视觉传导路

尾状核 状核 听 颞横回 觉 transverse temporal gyrus 屏状核 颞上回 claustrum 传 superior temporal gyro 内囊 听辐射 acoustic radiati 导 内侧膝状体 外侧膝状体 medial geniculate body eeb lateral geniculate body 路 一内侧膝状体 下丘臂 nfe 外侧丘系一 下丘核 lateral lemniscus Inferior colliculus nucleu 外侧丘系 同月 展神经核 samnan/abducens nucleus 蜗神经后核 蜗神经前核 内侧纵束 anterior cochlear nucleus I fasciculi 螺旋器 斜方体 spiral organ trapezoid body 内侧丘系 medial lemniscus 图16-74听觉传导通路

听觉传导路

动眼神经核 oculomotor nucleus 平衡觉传导路 滑车神经核 trochlear nucleus 内侧纵束 medial lingitudinal fasciculus 展神经核 abducens nucleus 前庭神经核 内侧纵束 vestibular nuclei medial longitudinal fasciculus 前庭脊髓束 vestibulospinal tract 副神经核10 accessory nucleus 图16-75平衡觉传导通路

平衡觉传导路

I The motor(descending) pathways 运动(下行)传导路 1. The pyramidal system锥体系★ > The corticospinal trac↑皮质脊髓束 > The corticonuclear tract皮质核束 2. The extrapyramidal system锥体外系 The cortico-neostriated body-dorsothalamus-cotex circuit皮质-新纹状体-背侧丘脑-皮质环路 the neustriated body-substantia nigra circuit 新纹状体-黑质环路 The globus pallidus- subthalamus circuit苍白球-黑质环路 The corticoponto-cere bellar-cortex circuit 皮质-脑桥-小脑-皮质环路

Ⅱ.The motor (descending) pathways 运动（下行）传导路 1. The pyramidal system 锥体系 ★ ➢ The corticospinal tract 皮质脊髓束 ➢ The coticonuclear tract 皮质核束 2. The extrapyramidal system 锥体外系 ➢ The cortico-neostriated body-dorsothalamus-cotex circuit 皮质-新纹状体-背侧丘脑-皮质环路 ➢ The neustriated body-substantia nigra circuit 新纹状体-黑质环路 ➢ The globus pallidus-subthalamus circuit 苍白球-黑质环路 ➢ The corticoponto-cere bellar-cortex circuit 皮质-脑桥-小脑-皮质环路

中央前回 precentral gyrus 中脑 锥体束 pyramidal tract midbrain Corticospinal tract 皮质脊髓束 桥脑 a会 延脑 medulla oblongata 锥体交叉 pyramidal decussation 脊髓 spinal cord 皮质脊髓侧束 ateral corticospinal tract 皮质脊髓前東 anterior corticospinal tract 图16-76锥体系(示皮质脊髓束)

Corticospinal tract 皮质脊髓束