pars intracranialis arteriae vertebralis

pars intracranialis arteriae vertebralis
[TA] intracranial part of vertebral artery: the fourth part of the artery; it pierces the dura and arachnoid mater and ascends anterior to the hypoglossal roots and then medially in front of the medulla oblongata where, at about the lower border of the pons, it joins the opposite artery to form the basilar artery.

Medical dictionary. 2011.

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  • intracranial part of vertebral artery — pars intracranialis arteriae vertebralis …   Medical dictionary

  • part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See …   Medical dictionary

  • vertebral artery segments — the four segments, V1–V4, into which the vertebral artery is divided clinically. The V1 segment corresponds to the prevertebral part (pars prevertebralis arteriae vertebralis) of the artery; V2 corresponds to the cervical part (pars cervicalis… …   Medical dictionary

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