Spinocerebellar tract
無意識
uncross
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Dorsal (posterior) spinocerebellar tract
(no cross)
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1. 感覺神經元[右列] →dorsal root ganglion→ intermediate zone
轉接給另一個神經元
2. intermediate zone的nucleus dorsalis of Clarke發出,直接往上傳到同側小腦
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Lower limb unconscious proprioception
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包括muscle spindle、golgi tendon organ
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Ventral (anterior) spinocerebellar tract
(cross-cross)
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1. 感覺神經元[右列] →dorsal root ganglion→ intermediate zone
轉接給另一個神經元
2. intermediate zone的spinal border cell發出,在spinal cord 交叉到對側,在cerebellum又交叉回來,傳入同側小腦
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只有golgi tendon organ
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Cuneocerebellar tract
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1. 感覺神經元[右列] →dorsal root ganglion→上行到lateral cuneate nucleus
轉接給另一個神經元
2. lateral cuneate nucleus發出,往上到同側小腦
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Upper limb unconscious proprioception
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包括muscle spindle、golgi tendon organ
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rostral spinocerebellar tract
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1. 感覺神經元[右列] →dorsal root ganglion→VII intermediate zone
轉接給另一個神經元
2. VII intermediate zone發出,往上到同側小腦
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只有golgi tendon organ
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▼神經傳遞路徑(neuropathway)
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