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