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While studying the fossil remains of 12,000-year-old mammoth that was discovered near the North Sea, researchers found that woolly mammoths possessed a cervical rib or neck rib.
Examples include entrapment of the lower trunk at the insertion of the anterior scalene muscle on the first rib (scalenus anticus syndrome), entrapment by a crossing cervical rib (cervical rib syndrome), (10) and compression by subclavian artery aneurysm.
A cervical rib is a supernumerary (extra) rib that arises from the 7th cervical vertebra.
A YOU have a condition called a cervical rib - a small extra rib that grows out from one of the vertebrae in your neck.
Previously, the name was designated according to the etiologies of compression, such as scalenus anticus, costoclavicular, hyperabduction, cervical rib, or first rib syndromes.
Other less frequent but pathogenetically revealing fetal risk factors include decreased fetal arm movements and the presence of a first cervical rib and clavicular fracture.
Known as a cervical rib, it rarely causes any problems unless it grows quite large.
Cervical rib is a congenital phenomenon that usually occurs in association with upper-limb neurovascular symptoms.
The young age of the patient and non-weight-bearing factor, combined with the absence of osteodegenerative changes in this accessory articulation (between the cervical rib and vertebra) exclude a probable degenerative pathology.
A A SMALL percentage of people have a cervical rib.
She had four extra vertebrae - one at the bottom and three at the top of her spine - extra ribs on one side and not enough on the other, and cervical ribs which were sitting above her collar bone rather than beneath.
In modern animals, these cervical ribs are often associated with inbreeding and adverse environmental conditions during pregnancy.