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Arcuate foramen : ウィキペディア英語版 | Arcuate foramen
In human anatomy, arcuate foramen, also known as ponticulus posticus (Latin for "little posterior bridge"), refers to a bony bridge on the atlas (C1 vertebra) that covers the groove for the vertebral artery. It is a common anatomical variation and estimated to occur in approximately 3-15% of the population.〔 (Full Text ).〕 It occurs in females more commonly than males.〔 The ponticulus posticus is created through ossification of the posterior atlantooccipital ligament. ==Pathology== The presence of arcuate foramen is associated with headache, musculoskeletal pain〔 and vertebrobasilar stroke.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Arcuate foramen」の詳細全文を読む
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