Movie TheaterHand Plates and Cartilage |
| Buy NowFrom The Biology of Prenatal Development. |
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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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All ages referenced to fertilization, not last menstrual period.
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