image.slidesharecdn.com_91011cranialnerves-141127194526-conversion-gate01_95_9-10-11-cranial-nerves-9-638.jpgThis grooved surface of the foramen magnum is separated on either side from the petrous portion of the temporal bone by the petrooccipital fissure, which is occupied in the fresh state by a plate of cartilage; the fissure is continuous behind with the jugular foramen, and its margins are grooved for the inferior petrosal sinus.

  • petrooccipital_fissure.txt
  • Last modified: 2016/01/11 00:50
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