De or het artrologie?

The correct Dutch article is:

de artrologie

Rule Words ending in -logie: always de. See the rule
Meaning (Dutch) (medisch) leer van de gewrichten

How to use artrologie

the artrologiede artrologie
this artrologiedeze artrologie
that artrologiedie artrologie
our artrologieonze artrologie
your artrologiejouw artrologie
every artrologieelke artrologie
which artrologie?welke artrologie?
a big artrologie / the big artrologieeen grote artrologie, de grote artrologie

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).