In this video, Dr. Aizaz from MedicoVisual talks about
00:00 Intro
01:47 Changes in Trophoblast during second week of development
03:48 Lacunae formation and Uteroplacental circulation
06:59 Primary Villi formation
07:28 Implantation Bleeding
09:05 Changes in Inner cell mass / Embryo Proper
09:13 Formation of Epiblasts and Hypoblasts (Bilaminar Germ Disc)
11:44 Formation of exocelomic cavity and exocelomic membrane (Heuser's membrane)
14:20 Why is Exocelomic cavity also called Yolk sac and Umbilical Vesicle
18:58 Amniotic cavity formation Amnioblasts

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