Umbilical Cord Length

Certainty Style Key
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True   Likely   Speculative
Human Uniqueness Compared to "Great Apes": 
Absolute Difference
MOCA Topic Authors: 

The human umbilical cord is generally about 55 cm long in term gestations. That of chimpanzees and other apes is usually considerably longer. The reasons for this are not understood.

References

  1. Nabelschnur-Längen bei Insektivoren und Primaten, Spatz, Von W. B. , Z. Säugetierk, Volume 33, p.226-239, (1968)