Chorionic Villi

This video details the development of chorionic villi, its different stages and its purpose. 00:00 Blastocyst 01:44 What are Chorionic Villi 03:48 Purpose of Chorionic Villi 04:31 Appearance of Lacunar Spaces 07:42 Erosion of Maternal Endometrium 09:38 Primary Chorionic Villi 11:38 Secondary Chorionic Villi 13:52 Tertiary Chorionic Villi