Arcuate eminence

The arcuate eminence is a rounded^{[3][4]: 567} prominence^[3] upon the superior surface of^{[3][5]: 420} the petrous part of the temporal bone^[3] forming the lateral part of the posterior wall of^[5]: 509 the middle cranial fossa.^{[4]: 566-567 [5]: 420, 509} The arcuate eminence indicates the position of the^[3] underlying^{[4]: 567 [5]: 420} superior semicircular canal (anterior semicircular canal).^{[3][4]: 567 [5]: 420, 509}

Subarcuate fossa
Details
Identifiers
Latin	eminentia arcuata,[1] jugum petrosum[2]
TA98	A02.1.06.023
TA2	661
FMA	55966
Anatomical terms of bone [edit on Wikidata]

The groove for the greater petrosal nerve is situated anteromedially to the arcuate eminence.^[5]: 509