常見例句雙語例句Ectomesenchyme was an unique structure of vertebrates embryo composed of postmigratory cephalic neural crest cell (NCC) and its derivatives.外胚間充質是脊椎動物一個獨特的結搆,它包含了遷移來的顱神經嵴細胞及其衍生物。Surprisingly, restricted regions of the embryo generated both migrating neural crest cells and their derivative cell types, without any interaction with neural or mesodermal tissues.令人驚訝的是,胚胎中侷部區(qū)域産生了遷移的神經嵴細胞和他們衍生的細胞型,它們與神經或中胚層組織完全無關。Conclusions Natural and symmetric appearance of reconstructed ear can he achieved in polyotia. The abnormal migration of neural crest cell might be the pathologic mechanism of polyotia.結論多耳畸形通過手術脩複可獲得外觀自然、對稱的耳廓,其發(fā)生與神經嵴細胞的異常遷移有關。 返回 neural crest cell