人体胚胎学Human embryology泰山医学院20Preface1.Definition:(定义)Study development and mechanism of human body from fertilization to birth.2. Content(内容)(1) Normal human body development in uterus.(胚胎发育)(2)Relation between mother and embryo.(母子关系)(3) Hereditary malformation and reproductive engineering(先天畸形与生殖工程)3、 胚胎分期 (1)embryonic period(胚期) 1W8W (sensitive period of teratogenesis,致畸敏感期) (2)fetal period(胎儿期)9Wbirth*perinatal period(围产期) 26W-4W after birth 受精8周末 胚期 胎期 围产期 ( 1-8周) (9-38周) (26周-生后4周)出生 受精、卵裂、