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The blood vessels of the umbilical cord are derived from which one of the following structures?

nuttyprof

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5 years ago

The blood vessels of the umbilical cord are derived from which one of the following structures?

The blood vessels of the umbilical cord are derived from which one of the following structures?
A) allantois
B) chorion
C) embryonic disk
D) amnion
E) yolk sac

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cgara59

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nuttyprof Author

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5 years ago

Thank you, thank you, thank you!

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this is exactly what I needed

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