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What is the dens odontoid process?
Since the dens is part of the Axis vertebra (and project up in the first vertebra, the Atlas vertebra that supports the skull) it is called the Dens Axis
When the head is moved from side to side the first vertebrae pivots around the what of the second vertebrae?
When the head is moved from side to side, the first vertebra (atlas) pivots around the dens (odontoid process) of the second vertebra (axis). This motion allows for the rotation and flexibility of the neck.
What does the first vertebra pivot around when head moves side to side?
The first cervical vertebra, called the atlas, pivots around the second cervical vertebra, known as the axis, when the head moves from side to side. This unique joint allows for the head's rotational movements.
What is the dens superior articulation?
The dens superior articulation refers to the joint formed between the dens (or odontoid process) of the second cervical vertebra (C2, also known as the axis) and the anterior arch of the first cervical vertebra (C1, or atlas). This articulation allows for the rotation of the head and neck, facilitating movements such as turning the head side to side. It is a pivotal joint in the cervical spine, playing a crucial role in maintaining stability and mobility.
What is the name of the neck bone commonly snapped in movies?
The name of that bone is axis. The second cervical vertebra. The dens is broken to kill the opponent.
What is the dens odontoid process?
Since the dens is part of the Axis vertebra (and project up in the first vertebra, the Atlas vertebra that supports the skull) it is called the Dens Axis
Which vertebra has a dens?
The axis has a dens, which provides a pivot for the atlas.
When the head is moved from side to side the first vertebra pivots around the what of the second vertebra?
densThe Dens of the second Vertebrae.
Dens?
An anterior, vertical projection on the axis vertebra. Only C2 has this structure.
The axis is the only vertebra with?
The axis is the second cervical vertebra (C2) and has a unique feature called the odontoid process or dens, which projects superiorly from its body. This structure allows the atlas (C1) to pivot around the axis, enabling the movement of the head from side to side.
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."
When the head is moved from side to side the first vertebrae pivots around the what of the second vertebrae?
When the head is moved from side to side, the first vertebra (atlas) pivots around the dens (odontoid process) of the second vertebra (axis). This motion allows for the rotation and flexibility of the neck.
What is second vertebrae called?
The name of the second vertebrae is called the axis.
What type of movement occurs between the atlas and the dens of the axis?
There is rotation of head around the dens of the axis. Dens is actually derived from the body of the atlas vertebra.
What cervical vertebra has a tooth-like projection on its superior surface?
The second cervical vertebra (C2), also called the axis, has a projection on it's superior surface called a dens that creates a pivot joint with the vertebra above it (C1), also known as the atlas. The pivot joint between these two vertebra allows 45 degrees of rotation in each direction, which is half the possible rotation of the head.
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).
Where is the dens found in the body?
The dens is found on the second cervical vertebra only.
