Axis (C2) vs Clavicle
| Property | Axis (C2) | Clavicle |
|---|---|---|
| Latin Name | Axis | Os claviculae |
| Type | Bone | Bone |
| Body System | Skeletal | Skeletal |
| Body Region | Spine | Shoulder |
| Function | The second cervical vertebra that provides a pivot point for rotation of the head. The dens (odontoid process) projects superiorly and acts as the axis around which the atlas rotates. | A slender S-shaped bone that forms the anterior part of the shoulder girdle. Acts as a strut to keep the upper limb away from the trunk, allowing free movement. Transmits … |
| Clinical Significance | Odontoid fractures are common cervical spine injuries, especially in elderly patients. Hangman's fracture involves bilateral pars interarticularis fractures of C2. Atlantoaxial instability occurs in rheumatoid arthritis and Down syndrome. | The clavicle is the most commonly fractured bone, typically at the junction of the middle and lateral thirds. Clavicle fractures can injure the subclavian vessels or brachial plexus. Sternoclavicular joint … |
| FMA ID | 12520 | 13321 |