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Playlist: Heart in Action

Hand Plates and Cartilage


 

#027, Movie 1 of 10

5 weeks, 6 days

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Script:

Also by 5 weeks, the embryo develops hand plates, and cartilage formation begins by 5 1/2 weeks.

Here we see the left hand plate and wrist at 5 weeks and 6 days.
Buy NowFrom The Biology of Prenatal Development.     All ages referenced to fertilization, not last menstrual period.