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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.
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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."
What is another name for the second cervical vertebra?
The name of the second vertebrae is called the axis.
Why is there a C8 vertebrae?
The C8 vertebra is not a true vertebra but rather an anatomical and numerical anomaly in the human cervical spine. It is an occasional variation seen in some individuals where there is an extra rib arising from the seventh cervical vertebra. This condition is known as a cervical rib.
The first cervical vertebra is called the axis?
Actually, the first cervical vertebra is called the atlas, not the axis. The axis is the second cervical vertebra that forms a pivot joint with the atlas, allowing for rotation of the head from side to side.
Why is cervical vertebra number seven known as the vertebra prominens?
The cervical vertebra number seven is known as the vertebra prominens because it is the most prominent cervical vertebra in the neck, making it easily palpable on the back of the neck. It has a long and prominent spinous process that can be felt beneath the skin, serving as a useful landmark for counting the vertebrae in the cervical region.
The odontoid process is found on the?
A small, toothlike, upward projection from the second vertebra of the neck around which the first vertebra rotates. Meaning it is located on the C2 which is the Axis.
Referring to the skull what is the atlas?
It is the the most superior (first) cervical vertebra of the spine.
Seven components unfused?
cervical vertebra
What is the name of C1 vertebra?
Cervical 1 vertebrae
What vertebra has seven components?
Cervical vertebra
What is another name for the second cervical vertebra?
The name of the second vertebrae is called the axis.
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."
Why is there a C8 vertebrae?
The C8 vertebra is not a true vertebra but rather an anatomical and numerical anomaly in the human cervical spine. It is an occasional variation seen in some individuals where there is an extra rib arising from the seventh cervical vertebra. This condition is known as a cervical rib.
Where is atlas and dens of the axis located?
The atlas and dens (or odontoid process) are located in the cervical region of the spine. The atlas is the first cervical vertebra (C1) and supports the skull, allowing for nodding movements. The dens, which is a bony projection, is part of the second cervical vertebra (C2), also known as the axis, and fits into the atlas, enabling rotational movement of the head. Together, they play a crucial role in the mobility and stability of the cervical spine.
What vertebra would you find the odontoid process?
axis the second cervical vertebra.
Which cranial bone houses the condyles that articulate with first cervical vertebra?
The occipital condyles of the occipital bones articulate with the first cervical vertebra.
What are distinguishing features of a cervical vertebra?
Transverse foramina (on all cervical vertebrae) and bifid spinous process on C2-C6
