肺成纤维细胞除与普通的成纤维细胞类似外，它们还有自身的一些特点，如具有较长的分支过程和缝隙接合。
They resemble ordinary fibroblasts but have some distinguishing features, for example, they have long branching processes and gap junctions.
VIP表达主要位于视网膜光感受器外节、内核层、内网状层和脉络膜，神经节细胞层和神经纤维层也有弱表达；
The expression of VIP exists on photoreceptor- outer segment, inner nuclear layer and inner plexiform layer of retina and choroids, and weak expression exists on ganglion cell and nerve fiber layer.
细针活检除a组3个结节内见残留肝癌细胞外，余均为纤维瘢痕组织及坏死组织。
Besides relic hepatic carcinoma cells were detected only in 3 nodes in group a, fibrotic scar and necrotic tissue were evident in all other nodes.
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