神经嵴的发生和分化 外胚层 Pigment cell 神神 Neural crest Schwann cell 经经 Dorsal root 嵴‖板 Satellite cell Pigment 脑神经节 51Cn= mtleeahthrh的时ma 脊神经节 k的hian 植物神经节 和外周神经等 Chromaffin cells in 肾上腺髓嗜铬细胞 adrenal medulla 头颈部部分骨 Sympathetic Prevertebral plexus 软骨肌肉 Plexus in 结缔组织 Developing adrenal gland Figure 11-4 Maior neural crest migratory pathways and derivatives in the trunk lft Pathways in the early embryo The dorsolateral nath ay is indicated by the green arrow the ventral sympathoadrenal athway is indicated by the red anow, and the ventmlaieral pathways is indicated by the purple arrow R tht Derivatives of the think neural crest外 胚 层 ↓ ↓ 神经板 神经嵴 脑神经节 脊神经节 植物神经节 和外周神经等 肾上腺髓嗜铬细胞 头颈部部分骨 软骨肌肉 结缔组织 神 经 嵴 的 发 生 和 分 化 ↓