trigeminal impression
tri·gem·i·nal im·pres·sion
[TA] a depression on the anterior surface of the petrous portion of the temporal bone, near the apex, formed in relationship to the trigeminal ganglion.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive
The Gasserian ganglion rests in a groove, the
trigeminal impression, on the petrous portion of the temporal bone (Kruger & Young, 1981).
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