![Anterior semicircular duct - Cranial nerves - Vestibulocochlear nerve [VIII] - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/nerfs-craniens-anatomie/images/v2/93901691f14cbf182f691bab5d0e6f7bd8647ab2352007f7a1eceabf5c59dce3?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDM0LDUxNg&t=QW50ZXJpb3Igc2VtaWNpcmN1bGFyIGR1Y3Q&tx=434&ty=516&w=350&wk=1&s=89f5a65194cf9c7645e0dfe7dc1d997f)
Anterior semicircular duct
Ductus semicircularis anterior
Definition
The anterior semicircular duct is the vertical semicircular duct standing vertical in direction, and placed transversely to the long axis of the petrous portion of the temporal bone.
References
Text by Antoine Micheau, MD - Copyright IMAIOS
![Anterior semicircular duct - Cranial nerves - Vestibulocochlear nerve [VIII] - e-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/eanatomy/modules/nerfs-craniens-anatomie/images/v2/93901691f14cbf182f691bab5d0e6f7bd8647ab2352007f7a1eceabf5c59dce3?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NDM0LDUxNg&t=QW50ZXJpb3Igc2VtaWNpcmN1bGFyIGR1Y3Q&tx=434&ty=516&w=200&wk=1&s=5c593afd4d5ce0fd03f038bf1609f931 "Anterior semicircular duct - Cranial nerves - Vestibulocochlear nerve [VIII] - e-Anatomy")
