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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2018/07/19 20:40:27」(JST)

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The inferior petrosal sulcus is the groove containing the inferior petrosal sinus.

The inferior petrosal sulcus is formed by the junction of the petrous part of the temporal bone of the skull with the basilar part of the occipital bone. It begins in the postero-inferior part of the cavernous sinus, and, passing through the anterior part of the jugular foramen, ends in the superior bulb of the internal jugular vein. The inferior petrosal sinus receives the internal auditory veins and also veins from the medulla oblongata, pons, and under surface of the cerebellum.

The exact relation of the parts to one another in the jugular foramen is as follows: the inferior petrosal sinus lies medially and anteriorly with the meningeal branch of the ascending pharyngeal artery, and is directed obliquely downward and backward; the transverse sinus is situated at the lateral and back part of the foramen with a meningeal branch of the occipital artery, and between the two sinuses are the glossopharyngeal, vagus, and accessory nerves. These three sets of structures are divided from each other by two processes of fibrous tissue. The junction of the inferior petrosal sinus with the internal jugular vein takes place on the lateral aspect of the nerves.

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English Journal

Cerebellopontine cistern: microanatomy applied to vestibular schwannomas.

Lescanne E1, François P, Velut S.
Progress in neurological surgery.Prog Neurol Surg.2008;21:43-53. doi: 10.1159/000156580.
The microanatomy of the cerebellopontine cistern (CPC) is of interest to many surgeons and has been the subject of controversial works especially concerning the study of the subarachnoid space in the internal acoustic meatus (IAM). The CPC lies in the cerebellopontine angle between the brainstem, ce
PMID 18810198

The jugular foramen: a comparative radioanatomic study.

Tekdemir I1, Tuccar E, Aslan A, Elhan A, Deda H, Ciftci E, Akyar S.
Surgical neurology.Surg Neurol.1998 Dec;50(6):557-62.
BACKGROUND: Advances in microsurgical techniques made possible the removal of advanced jugular foramen (JF) lesions, which once had been accepted as unoperable. However, successful surgery requires detailed knowledge of the JF anatomy.METHODS: Sixteen jugular foramina in eight formalin-preserved adu
PMID 9870816