In addition, the cells of a poorly differentiated neuroblastoma may be surrounded by a substance called neuropil, which is a dense network of interwoven nerve fibers, like axon and dendrite branches.

分化不良型神经母细胞瘤的细胞可能被神经纤维网包围，即由轴突和树突分支等神经纤维交织成的密集网状结构。