De or het wortelhals?

The correct Dutch article is:

de wortelhals

How to use wortelhals

the wortelhalsde wortelhals
this wortelhalsdeze wortelhals
that wortelhalsdie wortelhals
our wortelhalsonze wortelhals
your wortelhalsjouw wortelhals
every wortelhalselke wortelhals
which wortelhals?welke wortelhals?
a big wortelhals / the big wortelhalseen grote wortelhals, de grote wortelhals