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The axis (C2) bears a peg-shaped dens that acts as a pivot, it is part of the cervical vertebrae.

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Elinor Murray

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3y ago

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What vertebral column bears a peg-shaped dens that acts as a pivot?

The cervical vertebrae, specifically the second cervical vertebra (C2) known as the axis, bear a peg-shaped dens (odontoid process) that acts as a pivot for rotation of the atlas (C1) and allows for the turning of the head from side to side.


Where is the dens found in the body?

The dens is found on the second cervical vertebra only.


Which vertebra has a dens?

The axis has a dens, which provides a pivot for the atlas.


Do brown bears live in land?

Bears live in caves and dens. Dens are usually shallow covered pits.


Do polar bears have dens?

Yes


Why are pivot joints called pivot joints?

Pivot means to turn. A pivot joint turns around a ring. The best example is the ring of bone that the atlas vertebra makes and the "finger" of the dens vertebra. The joint allows us to turn our heads. The atlas holds the head. In mythology Atlas held the world on his shoulders. The dens is called this because it has a "tooth" like structure. (dens as in dental).


Dens here provides a pivot for rotation of the first cervical vertebra?

Atlaswrong . the correct answer is axis (http://en.wikipedia.org/wiki/Axis_(anatomy)) "It forms the pivot upon which the first cervical vertebra (the atlas), which carries the head, rotates."


Do polar bears build nests?

No, they build dens.


How do polar bears live in the winter?

there fur and dens.


Where do grizzly bears have their kids?

in winter during hibernation in their dens?


How do polar bears build theire dens?

by digging holes


Where do grizzly bears have their children?

Bears of all kinds find empty caves (dens) to hibernate and to have their young