Anatomical structure of the axis (C2) - Kenhub
2023年10月30日 · The axis is the second vertebra of the vertebral column, located in the superior portion of the cervical region of the spine. It articulates superiorly with the atlas, and inferiorly with the third cervical vertebra. The axis can be divided into anterior and posterior components.
Axis (anatomy) - Wikipedia
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.
Axis (C2) | Radiology Reference Article - Radiopaedia.org
2023年9月3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.
Cervical Spine (Neck): What It Is, Anatomy & Disorders - Cleveland Clinic
2022年1月18日 · Your cervical spine — the neck area of your spine — consists of seven stacked bones called vertebrae. The first two vertebrae of your cervical spine are unique in shape and function. Your first vertebra (C1), also called the atlas, is a ring-shaped bone that begins at the base of your skull.
Anatomy, Head and Neck: Cervical Spine - StatPearls - NCBI Bookshelf
2023年8月28日 · Atlas (C1) and axis (C2) are the first two cervical vertebrae and are named separately due to their distinctive anatomical features. They reside in the spine's craniovertebral junction, where the base of the skull meets the spinal column.
Axis (C2 Vertebra): Anatomy, Functions, & Labeled Diagram
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).
Axis Anatomy, C2 Cervical Vertebrae Definition & Diagram - Healthline
2018年1月19日 · The axis is the second of seven bones in the cervical spine. The axis, also known as the C2 bone, creates a pivot that allows the C1, or atlas, to rotate. This action gives the head and neck...
Cervical spine: Anatomy, ligaments, nerves and injury - Kenhub
2023年11月14日 · The axis is more similar to the rest of the cervical spine vertebrae than the atlas but it does have an incredibly unique feature; the dens, or odontoid process. Often characterized as tooth-like or peg-like, this process is larger and longer than most other anatomical processes and extends from the body of C2.
The Cervical Spine - Features - Joints - TeachMeAnatomy
2024年9月5日 · The first cervical vertebrae (C1) is known as the atlas. The second cervical vertebrae (C2) is known as the axis. In this article, we shall look at the anatomy of the cervical vertebrae – their characteristic features, articulations and clinical relevance.
Cervical vertebrae - Wikipedia
In humans, cervical vertebrae are the smallest of the true vertebrae and can be readily distinguished from those of the thoracic or lumbar regions by the presence of a foramen (hole) in each transverse process, through which the vertebral artery, …