umbilical cord

napanuora puhekieltä The flexible structure connecting a foetus with the placenta; which transports nourishment to the foetus and removes waste.
(aerospace) The line that supplies an astronaut with oxygen and communications when outside a spacecraft
(aerospace) any of the various lines connecting a rocket to its launch pad before liftoff
(figurative) Over-dependence on or over-attachment to one's parents or guardians.