1.Human chorionic gonadotropic (hCG) and human placental latogen (hPL) are peptide hormones produced and excreted by placental trophoblastic cells during pregnancy.
人绒毛膜促性腺激素、人胎盘生乳素是胎盘滋养细胞合成和分泌的肽类激素。
2.Conclusions Getting the villi of 45-55 days pregnancy by uterine curettage, we can obtain the chorial trophcytes by trypsin or DNA enzyme digest.
结论取人妊娠45~55天刮宫术后的绒毛,甲胰蛋酶消化可得到绒毛滋养层细胞。
3.Results The distribution of VEGF in placenta of normal group is similar to that of PIH group.They all are found in villous trophoblast,villous blood vessels and villous strome.