adj. 自然发生的；世代交替的
1.Conclusion: Transplanting xenogenetic chromaffin cells into subarachnoid space can reduce neuropathic pain effectively, and this antinociception is conducted via adrenoreceptors and opiate receptors.
结论：蛛网膜下腔移植嗜铬细胞能有效缓解神经性疼痛，并能增强宿主对外源性阿片制剂的敏感性。
2.Conclusion: Transplanting xenogenetic chromaffin cells into subarachnoid space can reduce neuropathic pain effectively, and this antinociception is conducted via adrenoreceptors and opiate receptors.
结论：蛛网膜下腔移植嗜铬细胞能有效缓解神经性疼痛，并能增强宿主对外源性阿片制剂的敏感性。