文档介绍：THE NERVOUS PATHWAYS (神经传导路)
A. The Sensory (Ascending) Pathways
(感觉传导通路)
B. The Visual and Pupillary Reflexes Pathways (视觉传导通路和瞳孔对光反射通路)
C. The Acoustic Pathway (听觉传导通路)
D. The Equilibratory Pathway (平衡觉传导通路)
E. The Motor (Descending) Pathways (运动传导通路)
Systematic Anatomy
1
Dept of Anatomy, Medical College, Qingdao University
A. The Sensory (Ascending) Pathways
1. Deep & discriminatory sensation
Proprioceptive (deep) sense (本体感觉): body posture, movement, vibration and pressure.
discriminatory sense (精细触觉): size, shape, texture and two point discrimination.
Systematic Anatomy
2
Dept of Anatomy, Medical College, Qingdao University
Receptors
muscle spindles
tendon spindles
Pacini’s corpuscles
(肌梭,腱梭,P小体)
I
II
Med. Lemniscus (内侧丘系)
III
丘脑皮质束(丘脑中央辐射
cerebral centers
Cortex of the sup. and middle parts of postcentral gyrus.
Posterior part of paracentral lobule
(中央后回上中部皮质,中央旁小叶后部)
Spinal nn.(脊N) (薄束T4,楔束T4)
(内侧丘系交叉)
(薄束核,楔束核)
(脊神经节)
(丘脑腹后外侧核)
(内囊后肢)
(内弓状纤维)
1) Conscious proprioceptive sensory pathways (意识性本体感觉传导通路)
Systematic Anatomy
3
Dept of Anatomy, Medical College, Qingdao University
1) Conscious proprioceptive sensory pathways
Systematic Anatomy
4
Dept of Anatomy, Medical College, Qingdao University
Receptors
muscle spindles
tendon spindles
Pacini’s corpuscles
(肌梭,腱梭,P小体)
(脊N) (后根)
I
(脊神经节)
II
(后角核ⅤⅥⅦ层)
cerebellar center
cortex of
cerebellum
(小脑皮质)
ant. missure
(脊髓白质前连合)
thoracic
nucleus
(胸核)
sup. cerebellar peduncle (小脑上脚)
脊
髓
小
脑
前
束
(小脑下脚) (脊髓小脑后束)
2) unconscious proprioceptive sensory pathway (非意识性本体感觉传导通路)
Systematic Anatomy
5
Dept of Anatomy, Medical College, Qingdao University
Receptors
free n. endings (痛)
Krause's end
bulbs (冷)
Ruffini end
organs (热)
I
II
(脊髓丘系) (脊髓丘脑侧束)
III
丘脑皮质束(丘脑中央辐射)
cerebral centers
Cortex of the sup. and middle parts of postcentral gyrus.
Posterior part of paracentral lobule
(中央后回上中部皮质,中央旁小叶后部)
Spinal nn.(脊N) 上升1-2节后外侧束
(脊髓前白连合)
(脊髓后角固有核)
(脊神经节)