To study the distribution and developmental regularities of Substance P (SP) and Calcitonin Gene-Related Peptide (CGRP) - IR peptidergic nerves in fetus small intestine. ?
研究人胎儿小肠壁P物质（SP）和降钙素基因相关肽（CGRP）-IR肽能神经的分布和发育规律。
2
Embryonic stem cells have been the focus in tissue engineering, developmental biology, drug development and gene research.
胚胎干细胞已成为组织工程、发育生物学、 药物开发及基因研究的热点。
3
Conclusion Disturbance of embryonic cell behavior and related gene expression played important roles in developmental toxicity caused by methylmercury.