Playlist: Heart in ActionHand Plates and Cartilage |
#027, Movie 1 of 105 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. |
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Buy NowFrom The Biology of Prenatal Development.
All ages referenced to fertilization, not last menstrual period.
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