2023年10月30日 · The axis, also known as the epistropheus, is the second cervical vertebra (C2) that has some similarities to a typical cervical vertebra but is categorized as an atypical vertebra because of its unique features.

2024年9月10日 · The axis is the second cervical vertebra, commonly called C2. It is an atypical cervical vertebra with unique features and important relations that make it easily recognisable. Its most prominent feature is the odontoid process (also know as the dens or peg), which is embryologically the body of the atlas (C1) 1,2 .

In anatomy, the axis (from Latin axis, "axle") is the second cervical vertebra (C2) of the spine, immediately inferior to the atlas, upon which the head rests. The spinal cord passes through the axis.

At the atlantoaxial joint, the C2 spinal nerve exits the spinal cord through a small bony hole or foramen above the C2, called the intervertebral foramen. This nerve has a sensory root and a motor root. The C2 dermatome is an area of skin that receives sensations through the C2 nerve.

2022年12月7日 · The axis is 1 of the only 2 vertebrae with a unique name and purpose. It is the 2nd bone out of the 7 in the uppermost section of the spinal column, the cervical vertebra. It is also referred to as the C2 vertebra or epistropheus (rarely).

The Axis (C2 vertebra) also known as epistropheus forms the pivot upon which the first cervical vertebra (the Atlas), which carries the head, rotates. The axis is composed of a vertebral body, heavy pedicles, laminae, and transverse processes, …

Axis, C2, has a vertebral body. It's most distinctive feature is the odontoid process or tooth which is placed vertically on the superior surface of the vertebral body [5] with two articular facets (anterior and posterior) which articulate with atlas bone and atlas transverse ligament.

2023年10月24日 · The C2 vertebra, aka the axis, is the primary weight-bearing bone of the upper cervical region(see Image. Second Cervical Vertebra). C2's hallmark feature is the odontoid process, aka dens, which is the bony projection extending cranially from its vertebral body.

2023年12月26日 · The axis vertebra is also known as the C2 vertebra or the second cervical vertebra. This article discusses the structure, function, and importance of the axis vertebra, offering insights into its unique features and its role in the cervical spine.

2018年8月8日 · The second cervical vertebra, commonly known as C2 is also called the axis. It is a peculiar cervical vertebra which possesses distinctive attributes and significant relations that facilitates its detection.