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Related to cavum trigeminale: Meckel cave
the cleft in the meningeal layer of dura of the middle cranial fossa near the tip of the petrous part of the temporal bone; it encloses the roots of the trigeminal nerve and the trigeminal ganglion.
The space between the two layers of the dura mater of the brain in which the trigeminal ganglion is located. Synonym: Meckel's space
See also: cavum