Webchorion [ kor´e-on] an extraembryonic fetal membrane, composed of trophoblast lined … WebNational Center for Biotechnology Information
08 Placenta and Fetal Membranes total - Tulane University
Webnoun. chorion fron· do· sum -frən-ˈdō-səm. : the part of the chorion that has persistent villi … WebChorionic-type intermediate trophoblast at chorionic laeve of fetal membrane, differentiated from villous intermediate trophoblast Function [ edit] The function of the implantation site intermediate trophoblast is to anchor the placenta to the maternal tissue. Histomorphology [ edit] Villous intermediate trophoblast [1] the wave movie 2017
Chorion - Definition, Explanation & Function Biology …
Web平滑绒毛膜 chorion laeve(拉) 丛密绒毛膜 chorion frondosum(拉) 绒毛膜囊 chorionic sac 绒毛膜板 chorionic plate 绒毛膜绒毛 chorionic villus 初级绒毛干 primary stem villus 细胞滋养层细胞柱 cytotrophoblastic cell column 次级绒毛干 secondary stem villus 三级绒毛干 tertiary stem villus 游离绒毛 free ... WebJan 28, 2024 · CHORION The region of the chorion that covers the expanded amnionic cavity forms what has been termed chorionic laeve. This constitutes the reflected membranes and is discerned from the membranous covering of the chorionic plate. Chorionic villi in the region of the laeve (which delimits the sac containing amnionic … Web1. primary chorionic villi 2. secondary chorionic villi 3. tertiary chorionic villi Primary Villi (12-13 days) formed by pegs of cytotrophoblast covered by synctiotrophoblast Secondary Villi (14-15 days) extraembryonic mesoderm cells invade cytotrophoblast pegs transforms primary villi to secondary Tertiary Villi the wave movie 2019