- trigeminal c. [TA] 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. SYN: cavum trigeminale [TA], trigeminal cavity, Meckel cavity, Meckel space.
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cerebroacrovisceral-early lethality [phenotype]
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(kāv) [L. cavum] cavum.Medical dictionary. 2011.