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[Arterial vascularization of the articular processes of the cervical spine].

Two cases of ischaemic necrosis of an articular process of cervical vertebrae, which have been surgically tested, have led the authors to study the blood supply of this part of the vertebral column by means of injections, dissections and Xray sections. At each level they find a double arterial supply: - the internal face of the articular process is supplied by the vertebral artery and the ascending cervical artery: - the external face is supplied by the vertebral artery, the ascending cervical artery and the deep cervical artery.