Tractus frontopontinus
Der Tractus frontopontinus (Arnold'sches Bündel) ist eine absteigende Faserbahn und verbindet einen Teil des Vorderhirns mit den Brückenkernen des Pons.
Verlauf
Die Fasern (Fibrae frontopontinae) entstammen vor allem der Area 8 der Großhirnrinde, aber auch der Area 6 nach Brodmann. Nach Abgang vom Kortex durchqueren die Fasern die Capsula interna im Crus anterius und ziehen ipsilateral zu den Nuclei pontis paramediani sowie Nuclei pontis dorsales. Vereinzelt gibt es Kollateralen mit der Pyramidenbahn.
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