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5 янв 2018 г. - Week 5
Описание:
The spinal cord, brain, heart, and blood has begun to form. The embryo is in a C-shape, and is surrounded by protective membranes. (Source 1)
Добавлено на ленту времени:
Biology Timeline 1
By
Adrian Sanchez
9 дек 2017
1
0
575
Дата:
5 янв 2018 г.
Сейчас
~ 7 гг и 9 мес назад
Изображения:
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