arcuate eminence

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Related to arcuate eminence: petrous

ar·cu·ate em·i·nence

[TA]

a prominence on the anterior surface of the petrous portion of the temporal bone indicating the position of the superior semicircular canal.

Synonym(s): eminentia arcuata [TA]

arcuate eminence

A rounded eminence on the upper surface of the petrous portion of the temporal bone. See: jugum petrosum

ar·cu·ate em·i·nence

(ahrkyū-ăt emi-nĕns) [TA]

Prominence on anterior surface of the petrous portion of the temporal bone indicating position of the superior semicircular canal.

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References in periodicals archive ?

* First, their study demonstrated the variability of the arcuate eminence (as did the study by Kartush et al (8)).

The CT will identify any air cells above the SSC, the location of the arcuate eminence and its relationship to the SSC, and any unusual anatomic variations, such as an IAC located more posteriorly than usual.

A study of middle cranial fossa anatomy and anatomic variations

The arcuate eminence is the major landmark used to safely locate the internal acoustic canal, which is often located at a 60[degrees] angle to the blue-lined superior semicircular canal.

A rapid and safe middle fossa approach to the geniculate ganglion and labyrinthine segment of the facial nerve. (Original Article)