Atlas (anatomy) - Wikipedia
In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine and is located in the neck. The bone is named for Atlas of Greek mythology, just as Atlas bore the weight of the heavens, the first cervical vertebra supports the head. [1]
Atlas (C1 Vertebra): Anatomy, Functions, & Labeled Diagram
2022年12月1日 · The atlas is a thin ring-shaped bone that does not resemble the typical vertebrae, thus being classified as an atypical vertebra. It is the most delicate of all the 7 cervical vertebrae and lacks a vertebral body and spinous process. Instead, it comprises an anterior and posterior arch and a lateral mass.
Anatomical structure of the atlas - Kenhub
2023年10月30日 · The atlas is a ring shaped bone that does not contain a vertebral body or a spinous process and is therefore classified as an atypical vertebra. Instead of a vertebral body, the atlas is made up of an anterior and posterior arch, which are joined by …
What is the Atlas Bone and Why Is It Important? - Upper Cervical …
Key Takeaways: What Does the Atlas Bone Do? The Atlas is Unique: The atlas bone (C1) also known as the first cervical vertebrae, has a distinct ring-shaped structure and supports your skull, unlike any other vertebra. Atlas = Impact: Your atlas bone plays a critical role in balance, posture, and protecting your brainstem, which is central to ...
The C1 Vertebra: Anatomy and 3D Illustrations - Innerbody
2025年1月11日 · The C1 vertebra, known as the atlas, is the superior-most vertebra in the spinal column. It plays vital roles in the support of the skull, spinal cord, and vertebral arteries and provides attachment points for several muscles of the neck.
Atlas Bone - Radiology In Plain English
2023年12月26日 · As the first cervical vertebra, it holds a unique position, directly connecting the spine to the skull. This article aims to provide a comprehensive understanding of the atlas bone, its anatomy, functions, and common issues associated with it. The atlas bone, also known as C1, is distinct in its structure.
Atlas | Complete Anatomy - Elsevier
The atlas is classified as an irregular bone, and it includes the following bony features: - parts: lateral masses, anterior and posterior arches, and transverse processes; - landmarks: superior and inferior articular facets, anterior and posterior tubercles, grooves for vertebral arteries, and transverse ligament tubercles.
Atlas - Physiopedia
The Atlas (the first cervical vertebra - C1) differs from the other cervical vertebrae in that it has no body or spinous process. It is comprised of two bony arches with two bony masses laterally. It articulates with the Occiput above and C2 (the Axis ) below.
Atlas Bone Anatomy - GetBodySmart
2022年11月2日 · The atlas bone is the first of seven cervical vertebrae (vertebra cervicalis I or C1). It supports the weight of the skull. The name for the bone was derived from a deity of Greek mythology called Atlas, who supported the heavens. On the superior surface of the atlas bone are a pair of concave facets.
Axis, the second cervical vertebra - Anatomy Standard
2020年11月24日 · Atlas is the most cranial vertebra in the vertebral column supporting the skull via condylar surface. Atlas. Anterior aspect. Atlas. The top aspect. Note the absence of the corpus and presence of two massive structures made by fused superior and inferior articulatory processes – massae laterales. Atlas. Inferior aspect.