Prominence of facial canal

Prominence of facial canal
View of the inner wall of the tympanum. (Facial canal visible in upper left; promontory labeled at center.)
Coronal section of right temporal bone. (Prominence of the facial canal labeled at top, fourth from the left.)
Details
Latin	prominentia canalis facialis
Anatomical terminology

The prominence of the facial canal (prominence of aqueduct of Fallopius) indicates the position of the bony canal in which the facial nerve is contained; this canal traverses the labyrinthic wall of the tympanic cavity above the fenestra vestibuli, and behind that opening curves nearly vertically downward along the mastoid wall.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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Prominence of facial canal