1.Conclusion: The development of NOS positive cells is connected with the surface epitheliums and glands of gastric mucous closely.
结论：胃粘膜内NOS阳性细胞的发育与胃粘膜上皮细胞及胃腺的发育密切相关。
2.The oesophagus was very short, and stratified and simple columnar squamous epitheliums were identified.
食道很短，但上皮包括复层鳞状上皮区和单层柱状上皮区。