Brain Development
Aug 01, 2020
2 minutes
FIRST TRIMESTER
Week 1 to 2: Implantation of the egg into the uterine wall.
Week 3: The embryo begins to develop the backbone, cardio-vascular system and brain formation begins.
The three brain sections of the embryo are formedâfore brain, middle brain and hind brain, along with the optical stalk.
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