Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Ligament:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

Certain tubular structures from the fetal period are referred to as ligaments after they close up and turn into cord-like structures:[citation needed]