Axis (C2) vs Sternum
| คุณสมบัติ | Axis (C2) | Sternum |
|---|---|---|
| ชื่อภาษาละติน | Axis | Os sternum |
| ประเภท | Bone | Bone |
| ระบบของร่างกาย | Skeletal | Skeletal |
| บริเวณของร่างกาย | Spine | Thorax |
| หน้าที่ | 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. | The flat bone in the center of the anterior chest wall. Protects the heart and great vessels. Provides attachment for the costal cartilages of the upper seven ribs and the … |
| ความสำคัญทางคลินิก | 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. | Sternal fractures occur from direct trauma (steering wheel injuries). Median sternotomy is the standard approach for open-heart surgery. Sternal bone marrow aspiration and biopsy are common diagnostic procedures. |
| FMA ID | 12520 | 7485 |
Full structure pages
Axis (C2)
Axis
The second cervical vertebra, the axis provides the pivot around which the head rotates. Its defining feature is the dens, or odontoid process, a tooth-like projection that extends superiorly from the body to articulate with …