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</html><thumbnail_url/><thumbnail_width/><thumbnail_height/><description>Boven en naast de neus bevinden zich holle ruimten in het hoofd. Dit zijn de zogenaamde neusbijholten, die in directe verbinding staan met de neusholte. De ruimtes zijn bekleed met slijmvlies dat ontstoken kan raken. Lees meer over de symptomen, onderzoek en behandeling van een neusbijholteontsteking.</description></oembed>
